Mockins 45 Cu Ft XL Alternatives: 6 Similar Picks Compared
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The Mockins 45 cu ft XL Roof Cargo Bag offers substantial storage volume for vehicles without existing roof racks. If you are considering mockins 45 cu ft xl alternatives, you may need a different capacity, weight, or mounting style. This guide compares 6 similar soft-shell options that share key specifications with the original product.
We selected these alternatives because their published specs overlap with the Mockins carrier in areas like waterproof construction, roof mount type, and overall cubic footage. You might prefer a lighter bag for easier installation, or a smaller footprint for sedans. Some picks focus on lockable security, while others emphasize heavy-duty basket integration. Each option listed here provides a practical solution for drivers who need flexible, weather-resistant overhead storage without relying on permanent roof rack systems.
Our top pick: Mockins 45 cu ft XL Soft-Shell Roof Bag.
How alternatives compare to Mockins
MCBD 40 cu ft Soft-Shell Roof Bag
The MCBD 40 cu ft bag offers 5 cubic feet less volume than the Mockins, reducing overall storage capacity. It weighs 16.3 pounds, which is 4.2 pounds lighter, making it easier to handle during installation. This model features a soft shell design suitable for cars and SUVs without roof racks. You get solid waterproof protection and ample space for family gear. If you prioritize security and weather resistance over maximum volume, this is a practical choice. It suits travelers who do not need the largest possible footprint but still want reliable overhead storage for their journeys.
Sailnovo 21 cu ft Soft Roof Bag
The Sailnovo 21 cu ft bag provides significantly less storage space than the Mockins, offering less than half the volume. It weighs only 8.16 pounds, making it the lightest option in this group. This soft-shell carrier is designed for cars without roof racks. It is a practical, lightweight solution for drivers needing moderate, waterproof storage. If you have a smaller vehicle or carry fewer items, this model reduces the burden on your roof. It fits buyers who prioritize ease of handling and lower weight over high-capacity hauling for long trips or moving large loads.
RoofPax 19 cu ft Polyester Roof Bag
The RoofPax 19 cu ft bag has the smallest capacity in this comparison, offering 26 cubic feet less than the Mockins. It weighs 12.4 pounds, which is lighter than the original but heavier than the Sailnovo. This soft-shell option is available in black, orange, and grey colors. It is designed for cars without roof racks and provides modest, weather-resistant storage space. If you need a compact solution for smaller loads, this bag fits the bill. It suits drivers who value a lower profile and easier installation over the extensive volume provided by larger XL carriers.
Asinking 20 cu ft Waterproof Roof Bag
The Asinking 20 cu ft bag offers 25 cubic feet less storage than the Mockins. It is a lockable roof bag, providing secure storage for smaller loads. This model features universal fitment, making it compatible with various vehicles without roof racks. It weighs less than the Mockins, though specific weight data is not provided here. If you prioritize lockable security and a secure fit over maximum volume, this is a strong alternative. It is ideal for drivers who carry valuable gear and need peace of mind while traveling, accepting a smaller footprint for enhanced safety features.
HubPax 20 cu ft Roof Basket & Bag
The HubPax 20 cu ft Roof Basket & Bag includes a basket structure in addition to the soft-shell bag. It offers 25 cubic feet less bag volume than the Mockins but provides a 200 lbs capacity for heavy loads. This model is designed for SUVs with existing cross bars. It suits drivers who need heavy-duty support and waterproof bag protection. If you have a vehicle with roof bars and require a robust mounting system, this combination offers stability. It works well for those who need to distribute weight differently than a standalone soft-shell bag allows.
BagMate 23 cu ft Roof Bag – 840D PVC
The BagMate 23 cu ft bag provides 22 cubic feet less storage than the Mockins. It weighs 13.1 pounds, making it lighter and easier to manage. This soft-shell carrier is made from 840D PVC, offering reliable waterproof storage. It is designed for sedans and small SUVs without roof racks. If you need moderate capacity and easy installation on smaller vehicles, this model is a practical choice. It fits buyers who require a balance between storage space and manageability, avoiding the bulk of the largest XL carriers while still providing adequate protection for their gear.
Quick picks
Our 7 picks
Mockins 45 cu ft XL Soft-Shell Roof Bag
Best for: Large families with no roof racks
- Capacity
- 45 cu ft
- Shell Type
- Soft-shell vinyl
- Opening
- Wrap-around zippers
- Water Resistance
- Waterproof
- Security
- Combination lock
- Installation
- Straps and hooks
View on Amazon: Mockins 45 cu ft XL Soft-Shell Roof Bag Affiliate link
This Mockins rooftop cargo bag offers 45 cubic feet of storage with dimensions of 75 by 48 by 22 inches. It features a soft-shell vinyl construction that is fully waterproof. The bag includes wrap-around zippers, a protective mat, and mounting straps for installation without roof racks. It weighs 20.5 pounds and comes with a combination lock. This large carrier suits families needing high-volume packing space for trips or moving.
Pros
- 45 cubic feet capacity for high-volume packing
- Waterproof soft-shell vinyl with triple-protection design
- Includes protective mat, straps, and combination lock
- Mounts without roof racks using door and trunk hooks
Cons
- Soft-shell vinyl offers less aerodynamic efficiency than hard shells
- 20.5-pound weight adds significant load to vehicle roof
- Large 75-inch length may not fit smaller SUVs
Good fit if
- You need extra-large storage for camping gear or moving boxes
- Your vehicle lacks roof racks and you need a no-rack solution
- You prioritize waterproof protection for sensitive cargo items
Skip if
- You require a hard-shell carrier for better fuel economy
- Your vehicle roof width is less than 48 inches
- You prefer a lightweight carrier under 15 pounds
Verdict: Mockins 45 Cu Ft XL Roof Cargo Bag provides maximum storage volume for vehicles without racks. It fits families with large gear loads who need waterproof protection and do not mind the extra weight and size.
MCBD 40 cu ft Soft-Shell Roof Bag
Best for: Waterproof storage on roofs without racks
- Capacity
- 40 cu ft
- Shell Type
- soft-shell, 900D PVC tarpaulin
- Water Resistance
- 100% waterproof
- Security
- combination lock
- Dimensions
- 72 x 48 x 20 in
- Vehicle Type
- Car, SUV
View on Amazon: MCBD 40 cu ft Soft-Shell Roof Bag Affiliate link
This MCBD cargo bag offers 40 cubic feet of storage in a soft-shell design made from 900D PVC tarpaulin. It measures 72 x 48 x 20 inches and weighs 16.3 pounds. The bag is 100% waterproof and includes a combination lock, two ratchet straps, and an anti-slip mat. It fits roofs 68 to 80 inches long and works with or without cross bars. You get a compact, weather-resistant option for SUVs and trucks.
Pros
- 40 cubic feet capacity for large loads
- 100% waterproof 900D PVC tarpaulin shell
- Includes combination lock for security
- Fits roofs without cross bars
Cons
- Heavier at 16.3 pounds than many competitors
- Lower capacity than the 45 cu ft Mockins XL
- Soft-shell material less rigid than hard carriers
Good fit if
- You need extra space beyond 21 cubic feet
- You want a waterproof bag with a lock
- Your roof lacks side rails or cross bars
Skip if
- You require a hard-shell carrier
- You need more than 40 cubic feet
- You prefer a lighter bag under 10 pounds
Verdict: MCBD 40 Cu Ft Soft-Shell Roof Bag provides solid waterproof protection and ample space for families. It suits travelers who prioritize security and weather resistance over minimal weight.
Sailnovo 21 cu ft Soft Roof Bag
Best for: Lightweight, waterproof storage on cars without racks
- Capacity
- 21 cubic feet
- Shell Type
- Soft Shell
- Water Resistance
- Waterproof
- Installation
- Tie-Down Strap
- Dimensions
- 9.84 x 7.09 x 13.8 in
- Vehicle Type
- Car
View on Amazon: Sailnovo 21 cu ft Soft Roof Bag Affiliate link
The Sailnovo 21 cubic feet roof bag is a soft-shell cargo carrier designed for cars without roof racks. It weighs 8.16 pounds and measures 9.84 x 7.09 x 13.8 inches in its folded state. The unit features waterproof construction and secures to your vehicle using tie-down straps. This compact bag suits drivers who need moderate storage capacity and prefer a lightweight, flexible solution for their roof.
Pros
- 21 cubic feet of storage capacity
- Waterproof shell material
- Lightweight at 8.16 pounds
- Compact folded dimensions for easy storage
Cons
- Smaller capacity than the 45 cubic feet Mockins XL
- Soft-shell design offers less rigidity than hard cases
- Requires manual tie-down strap installation
Good fit if
- You need a lightweight bag for a car without racks
- You prefer waterproof soft-shell protection
- You want a compact carrier that folds small
Skip if
- You require more than 21 cubic feet of space
- You need a rigid hard-shell case for security
- You want a product that integrates with existing crossbars
Verdict: Sailnovo 21 Cu Ft Soft Shell Roof Bag is a practical, lightweight option for drivers needing moderate, waterproof storage without roof racks.
RoofPax 19 cu ft Polyester Roof Bag
Best for: cars without roof racks
- Capacity
- 19 Cubic feet
- Shell Type
- polyester
- Water Resistance
- 100% waterproof
- Installation
- door hook straps, 10 straps
- Vehicle Compatibility
- fits cars with or without roof rack
- Dimensions
- 47.2 x 35.4 x 19.8 in
View on Amazon: RoofPax 19 cu ft Polyester Roof Bag Affiliate link
The RoofPax 19 Cu Ft bag offers 47.2 x 35.4 x 19.8 inches of storage. It uses a polyester shell with double zippers for waterproofing. It fits vehicles with or without racks via door hook straps. This 12.4-pound carrier suits small loads. It is ideal for compact SUVs or sedans needing extra space without permanent rack installation.
Pros
- 100% waterproof polyester shell
- Fits cars without roof racks
- Includes patented 4-door hook straps
- Dual zipper weatherproofing
Cons
- 19 cubic feet capacity is smaller than the 45 Cu Ft Mockins
- 12.4-pound weight adds to roof load
- No mention of rigid hard-shell protection
Good fit if
- You drive a sedan without crossbars
- You need waterproof storage for light gear
- You want a soft bag that folds flat
Skip if
- You need over 20 cubic feet of space
- You require a hard-shell cargo box
- You have a roof rack and want maximum security
Verdict: RoofPax 19 Cu Ft Waterproof Roof Bag is a practical soft-shell option for drivers without racks who need modest, weather-resistant storage space.
Asinking 20 cu ft Waterproof Roof Bag
Best for: secure, universal fitment
- Capacity
- 20 cu ft
- Shell Type
- 900D PVC tarpaulin
- Water Resistance
- 100% waterproof
- Security
- Lock
- Installation
- Metal ring strap design
- Vehicle Compatibility
- With or without roof rack
View on Amazon: Asinking 20 cu ft Waterproof Roof Bag Affiliate link
This soft-shell carrier offers 20 cubic feet of storage in a 52 x 40 x 12-18.5 inch footprint. It uses 900D PVC tarpaulin with triple-reinforced seams for 100% waterproof protection. The design includes a lockable zipper and metal ring straps for secure mounting on any vehicle, with or without roof rails. It fits cars with or without sunroofs.
Pros
- Lockable zipper for security
- 100% waterproof 900D PVC construction
- Fits vehicles with or without roof racks
- Metal ring strap installation system
Cons
- 20 cubic feet capacity is smaller than the 45 cu ft Mockins XL
- Soft shell offers less impact protection than hard boxes
- Lower profile may reduce ground clearance on steep driveways
Good fit if
- You need a lockable carrier for added security
- You have a vehicle without roof rails
- You want a compact 20 cu ft option
Skip if
- You need the maximum 45 cu ft capacity
- You prefer a hard shell for heavy impact protection
- You require a carrier for very large SUVs
Verdict: Asinking 20 Cu Ft Lockable Roof Bag provides secure, waterproof storage for smaller loads. It is ideal for drivers who prioritize lockable security and universal fitment over maximum volume.
HubPax 20 cu ft Roof Basket & Bag
Best for: heavy loads with waterproof bag protection
- Capacity
- 20 cu ft
- Shell Type
- Soft shell
- Load Capacity
- 200 lbs
- Water Resistance
- Waterproof
- Installation
- 4 sets of U-bolts
- Vehicle Compatibility
- Requires roof cross bars
View on Amazon: HubPax 20 cu ft Roof Basket & Bag Affiliate link
This set includes a 65x39x6 inch metal basket and a 51x40x17 inch waterproof soft shell bag. The basket mounts with U-bolts and supports up to 200 lbs. You get a cargo net and ratchet straps included. The bag protects items from rain and dust. It fits most vehicles with roof cross bars. You need cross bars for installation. This combination offers versatile storage for SUVs and trucks.
Pros
- 200 lbs load capacity
- Includes waterproof 20 cu ft bag
- Comes with cargo net and straps
- U-bolt mounting for secure fit
Cons
- Smaller 20 cu ft bag capacity
- Requires separate roof cross bars
- Basket height limited to 6 inches
Good fit if
- You need extra 200 lbs capacity
- You want waterproof soft shell protection
- You have roof cross bars installed
Skip if
- You require a hard shell carrier
- You lack roof cross bars
- You need more than 20 cu ft
Verdict: HubPax 20 Cu Ft Roof Basket & Bag suits drivers who need heavy-duty 200 lbs capacity and waterproof bag protection. It works well for SUVs with existing cross bars.
BagMate 23 cu ft Roof Bag – 840D PVC
Best for: sedans without roof racks needing moderate storage
- Capacity
- 23 cu ft
- Shell Type
- 840D PVC
- Water Resistance
- 100% waterproof
- Dimensions
- 55" L x 44.9" W x 19.5" H
- Vehicle Type
- Car, SUV
- Mount Type
- Roof Mount
View on Amazon: BagMate 23 cu ft Roof Bag – 840D PVC Affiliate link
The BagMate roof bag offers 23 cubic feet of storage in a 55 by 44.9 by 19.5 inch shell. It uses 840D PVC fabric with heat-welded seams for waterproof protection. The design includes four door hooks for rack-free installation on sedans or SUVs. It weighs 13.1 pounds and folds into a compact storage bag. This carrier suits travelers needing moderate extra space without roof rails.
Pros
- 23 cubic feet capacity holds up to 8 medium suitcases
- 100% waterproof with triple-seal design and heat-welded seams
- Universal installation uses four door hooks without roof racks
- Includes non-slip protective roof mat to prevent scratches
- Folds into a compact storage bag for easy packing
Cons
- 23 cubic feet capacity is smaller than the 45 cubic feet Mockins XL
- 55 inch length is shorter than the 75 inch Mockins XL
- Door hook installation may interfere with side-curtain airbags or door seals
Good fit if
- You need extra storage but lack roof rack crossbars
- You want a waterproof bag that fits on a sedan
- You prefer a compact carrier that folds small for storage
Skip if
- You require maximum capacity for large family road trips
- You already have roof racks and need a larger bag
- You prefer a rigid hard-shell carrier over a soft bag
Verdict: The BagMate 23 Cu Ft Roof Bag provides reliable waterproof storage for vehicles without racks. It fits buyers who need moderate capacity and easy installation on sedans or small SUVs.
Specifications side by side
| Spec | Mockins 45 cu ft XL Soft-Shell Roof Bag | MCBD 40 cu ft Soft-Shell Roof Bag | Sailnovo 21 cu ft Soft Roof Bag | RoofPax 19 cu ft Polyester Roof Bag | Asinking 20 cu ft Waterproof Roof Bag | HubPax 20 cu ft Roof Basket & Bag | BagMate 23 cu ft Roof Bag – 840D PVC |
|---|---|---|---|---|---|---|---|
| Capacity | 45 cu ft | 40 cu ft | 21 cubic feet | 19 Cubic feet | 20 cu ft | 20 cu ft | 23 cu ft |
| Shell Type | Soft-shell vinyl | soft-shell, 900D PVC tarpaulin | Soft Shell | polyester | 900D PVC tarpaulin | Soft shell | 840D PVC |
| Opening | Wrap-around zippers | not specified | not specified | not specified | not specified | not specified | not specified |
| Load Capacity | not specified | not specified | not specified | not specified | not specified | 200 lbs | not specified |
| Water Resistance | Waterproof | 100% waterproof | Waterproof | 100% waterproof | 100% waterproof | Waterproof | 100% waterproof |
| Security | Combination lock | combination lock | not specified | not specified | Lock | not specified | not specified |
| Installation | Straps and hooks | not specified | Tie-Down Strap | door hook straps, 10 straps | Metal ring strap design | 4 sets of U-bolts | not specified |
| Vehicle Compatibility | With or without roof rack | not specified | not specified | fits cars with or without roof rack | With or without roof rack | Requires roof cross bars | not specified |
| Dimensions | 75 x 48 x 22 in | 72 x 48 x 20 in | 9.84 x 7.09 x 13.8 in | 47.2 x 35.4 x 19.8 in | 52 x 40 x 12-18.5 in | 65 x 39 x 6 in | 55" L x 44.9" W x 19.5" H |
| Recommended Use | Suitcases, tents, sleeping bags | not specified | not specified | not specified | not specified | Luggage, camping, sports gear | not specified |
| Vehicle Type | Car | Car, SUV | Car | Car | Car | Car | Car, SUV |
| Size | 45 Cubic Feet | 40 Cubic Feet | 21 Cubic Feet | 19 Cubic feet | 20 Cubic Feet | 20 Cubic Feet | XXL 23 Cu. Ft. |
| Mount Type | Roof Mount | Roof Mount | Roof Mount | Roof Mount | Roof Mount | Roof Mount | Roof Mount |
| Lockable | Lockable | not specified | not specified | not specified | Lockable | not specified | not specified |
| Includes Bag | With Bag | With Bag | not specified | not specified | not specified | With Bag | not specified |
| Includes Net | not specified | not specified | not specified | not specified | not specified | With Net | not specified |
| Weight | 20.5 pounds | 16.3 pounds | 8.16 pounds | 12.4 pounds | not specified | not specified | 13.1 pounds |
| Color | Black/Red | Blue | Black | ['Black', 'Orange', 'Grey'] | Black with Blue | black and orange | Black |
| Model | MA-RB-45RD-75X48-19 | 40cf | Sailnovo5033-FR | Rooftop_Cargo_Carrier | rooftop cargo bag | BASKET | RBM-CRB |
If you compare indoor appliance capacities, specs for de longhi livenza 0 8 cu ft alternatives outline usable interior space.
Frequently asked questions
What is the lightest soft-shell roof bag alternative to the Mockins 45 cu ft?
The Sailnovo 21 cu ft model is the lightest option at 8.16 pounds. It weighs significantly less than the Mockins 45 cu ft bag, which tips the scales at 20.5 pounds. This makes it easier to handle if you frequently install and remove the carrier. It provides moderate storage for smaller loads.
Which alternative offers the largest storage volume besides the Mockins?
The MCBD 40 cu ft bag is the largest alternative with 40 cubic feet of capacity. It falls just short of the Mockins 45 cu ft XL model. This option suits families who need substantial space but want a slightly smaller footprint. It remains a heavy-duty choice for waterproof storage on roofs without racks.
Can I find a lockable roof bag in these alternatives?
Yes, the Asinking 20 cu ft bag is explicitly designed to be lockable. This feature adds a layer of security for your gear compared to standard soft-shell models. It is ideal for drivers who prioritize secure storage over maximum volume. The bag fits universal roof mounts and provides waterproof protection for smaller loads.
Are there options that include a roof basket with a bag?
The HubPax 20 cu ft model combines a roof basket with a waterproof bag. It offers heavy-duty support with a 200 lbs capacity. This setup works well for SUVs with existing cross bars. It provides a robust solution for carrying heavy loads while keeping items protected from the weather inside the included bag.
Which alternative is best for sedans without roof racks?
The BagMate 23 cu ft bag is a practical choice for sedans. It provides moderate capacity and fits vehicles without existing racks. The soft-shell design allows it to conform to the car roof. It offers reliable waterproof storage and is easy to install, making it suitable for buyers needing extra space on smaller cars.
What is the smallest capacity option available in this list?
The RoofPax 19 cu ft bag is the smallest capacity option listed. It offers modest, weather-resistant storage space for drivers who do not need large volumes. Its compact size makes it suitable for cars without roof racks. It weighs 12.4 pounds, providing a balanced option for moderate travel needs.