6 Best Alternatives to the Sailnovo 15 cu ft Soft (2026)
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
The Sailnovo 15 cu ft soft shell roof bag offers 430 liters of waterproof storage in a compact 40.9 by 35.8 by 16.9 inch footprint. It features a durable 1000D soft shell and easy installation for cars without roof racks. If you need sailnovo 15 cu ft soft alternatives, this guide compares seven options with similar specs. You might want a different size, color, or mounting style. Some buyers prefer higher capacity or specific fabric strengths.
The alternatives listed here share key specifications with the original product. Each item is selected because its dimensions, capacity, or weather resistance overlap with the Sailnovo model. You can compare soft shell materials, volume, and vehicle compatibility across the list. This approach helps you find a bag that fits your specific needs. Whether you require extra space or a different aesthetic, the data provides clear comparisons. Read on to see which option matches your requirements best.
Comparing soft shell roof bag options
Sailnovo 15 cu ft Soft-Shell Roof Bag
This Sailnovo model shares the 15 cubic feet capacity but lists significantly smaller packed dimensions of 9.84 by 6.69 by 13.4 inches. It weighs only 5.6 pounds, making it much lighter and easier to store when not in use compared to the original. The fabric strength remains a priority, offering durable weather protection for drivers who need flexible storage without roof racks. You should pick this if you value a compact footprint and low weight over maximum volume, as it provides the same core capacity in a more portable package.
MeeFar 15 cu ft Roof Bag
The MeeFar bag offers the same 15 cubic feet capacity but extends to 44 inches in length, providing a longer storage profile than the original. It features a black and orange color scheme and uses roof mount straps for installation. While it matches the soft shell design, the MeeFar option is often preferred by budget buyers who need moderate storage without roof racks. You might choose this if you prioritize a longer shape for bulky items or want a cost-effective waterproof solution that installs easily on most vehicle roofs.
Sailnovo 21 cu ft Soft Roof Bag
This Sailnovo variant increases capacity to 21 cubic feet, offering more volume for larger loads while maintaining the soft shell design. It is black and weighs 8.16 pounds. The larger size suits drivers without roof racks who need extra space for camping gear or moving items. You should pick this alternative if the original 15 cubic feet feels too small for your needs. It provides ample waterproof storage in a flexible format, allowing you to carry more luggage without switching to a rigid box.
RoofPax 19 cu ft Polyester Roof Bag
The RoofPax bag provides 19 cubic feet of capacity, which is larger than the original 15 cubic feet model. It measures 47.2 by 35.4 by 19.8 inches and weighs 12.4 pounds. This polyester roof bag features door-hook security for added stability on vehicles without racks. You should choose this option if you need extra volume and prioritize secure mounting options. It is ideal for buyers who outgrow standard 15 cubic feet bags but still want the flexibility of a soft shell design.
Asinking 20 cu ft Waterproof Roof Bag
The Asinking bag offers 20 cubic feet of capacity, significantly more than the original. It measures 52 by 40 by 18.5 inches and features a black with blue color scheme. This waterproof roof bag is lockable, adding a layer of security for your belongings. It is designed for travelers needing flexible storage on vehicles without racks. You should pick this if you prioritize high capacity and weather resistance over the compact size of the original. It suits those who need to carry more gear securely.
Mockins 40 cu ft XXL Roof Bag
The Mockins bag provides 40 cubic feet of capacity, more than double the original volume. It measures 72 by 48 by 20 inches and weighs 16.5 pounds. This XXL soft shell roof bag is designed for large families and moving items. It fits buyers with wide vehicles who need flexible mounting options and high capacity. You should choose this if you need maximum storage space and have a vehicle that can support the larger footprint. It is the best option for carrying substantial loads without a roof rack.
Quick picks
Our 7 picks
Sailnovo 15 cu ft Soft Shell Roof Bag
Best for: Small families needing moderate roof storage
- Capacity
- 15 Cubic Feet / 430L
- Shell Type
- Soft shell
- Water Resistance
- Waterproof
- Installation
- Easy to set up for most vehicles
- Dimensions
- 40.9 x 35.8 x 16.9 in
- Vehicle Type
- Car
View on Amazon: Sailnovo 15 cu ft Soft Shell Roof Bag Affiliate link
This is a 15 cubic foot soft shell roof bag with 430 liters of capacity. It measures 40.9 x 35.8 x 16.9 inches and uses 1000D fabric. The design is waterproof with reinforced seams and a waterproof zipper. It fits most vehicles with or without roof racks. You get streamlined aerodynamics for better mileage and stability.
Pros
- 15 cubic feet / 430L capacity
- 1000D triple-layer soft shell fabric
- Waterproof zipper and reinforced seams
- Aerodynamic shape reduces wind drag
- Fits vehicles with or without racks
Cons
- Smaller capacity than 19-40 cu ft alternatives
- Soft shell offers less rigid protection
- No rigid mounting points for easy loading
Good fit if
- You need 15 cu ft of extra space
- You want a waterproof soft shell bag
- You drive a car without roof racks
Skip if
- You need over 20 cu ft of space
- You prefer a hard shell for security
- You want rigid mounting hardware included
Verdict: Sailnovo 15 cu ft Soft Roof Bag is a compact, waterproof soft shell option for small families. It suits you if you need moderate storage and easy installation on vehicles without racks.
Sailnovo 15 cu ft Soft-Shell Roof Bag
Best for: Drivers needing flexible storage without roof racks
- Capacity
- 15 cubic feet / 430 L
- Shell Type
- Soft shell (1000D fabric)
- Installation
- 2 reinforced straps, 4 door hooks
- Vehicle Compatibility
- Fits most cars with or without roof rack
- Dimensions
- 9.84 x 6.69 x 13.4 in
- Weight
- 5.6 pounds
View on Amazon: Sailnovo 15 cu ft Soft-Shell Roof Bag Affiliate link
This 15 cubic foot roof bag offers 430 liters of storage using a 1000D soft shell. It weighs 5.6 pounds and measures 9.84 x 6.69 x 13.4 inches. The design includes double-reinforced seams and a waterproof zipper. It installs via straps or door hooks, fitting cars with or without racks. This option suits those needing reliable weather protection for family trips.
Pros
- 1000D triple-layer fabric is twice as strong as standard 500D material
- Waterproof zipper and extended velcro flaps keep contents dry
- Includes 4 door hooks for secure installation without roof racks
- Folds into a compact storage bag for easy off-season storage
Cons
- 15 cubic feet capacity is smaller than 20 to 40 cubic feet alternatives
- Soft shell lacks the rigid structure of hard plastic roof boxes
- Door hook installation may not suit all vehicle door configurations
Good fit if
- You need extra luggage space for family camping trips
- You drive a car without existing roof racks or side rails
- You want a compact bag that folds flat for storage
Skip if
- You require more than 15 cubic feet of cargo space
- You prefer a rigid shell for better aerodynamics
- You need a carrier that mounts directly to bare roof rails
Verdict: Sailnovo 15 CuFt Soft Shell Roof Bag provides durable weather protection for drivers needing flexible storage. It fits buyers who prioritize fabric strength and versatile mounting options over maximum capacity.
MeeFar 15 cu ft Roof Bag
Best for: Budget buyers without roof racks
- Capacity
- 15 cu ft
- Shell Type
- Soft shell, 700D PVC tarpaulin
- Water Resistance
- 100% waterproof
- Security
- Combination lock
- Vehicle Compatibility
- Vehicles with or without roof rack
- Dimensions
- 44 x 34 x 17 in
View on Amazon: MeeFar 15 cu ft Roof Bag Affiliate link
The MeeFar 15 cubic feet roof bag offers 44 x 34 x 17 inches of storage. It uses 700D PVC tarpaulin for 100% waterproof protection. The soft shell fits cars with or without roof racks. It includes a combination lock and anti-slip mats. This bag suits you if you need basic, reliable cargo space for weekend trips.
Pros
- 100% waterproof 700D PVC tarpaulin shell
- Fits vehicles with or without roof racks
- Includes combination lock for security
- Folds flat for compact storage
Cons
- 15 cubic feet capacity is smaller than larger competitors
- No hard shell for added impact protection
- Basic fabric construction lacks premium materials
Good fit if
- You need a budget-friendly soft shell option
- Your car lacks a roof rack system
- You prioritize waterproofing over rigid structure
Skip if
- You require more than 15 cubic feet of space
- You need a hard shell for heavy loads
- You want a rigid structure for aerodynamics
Verdict: MeeFar 15 cu ft Soft Roof Bag is a practical, waterproof solution for drivers without roof racks who need moderate storage. It fits you if you value easy installation and secure zippers over high capacity.
Sailnovo 21 cu ft Soft Roof Bag
Best for: Cars without roof racks needing extra volume
- 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
This Sailnovo roof bag offers 21 cubic feet of storage in a soft-shell design. It weighs 8.16 pounds and measures 9.84 x 7.09 x 13.8 inches. The bag uses tie-down straps for mounting and is rated waterproof. It fits cars without roof racks. You get extra space compared to standard 15 cu ft options. The soft shell allows it to mold to your cargo.
Pros
- 21 cubic feet capacity
- Waterproof construction
- Soft shell design
- Mounts with tie-down straps
Cons
- Soft shell offers less rigid protection than hard cases
- No mention of included lock or key system
- Requires manual strap tightening for security
Good fit if
- You need more than 15 cubic feet of space
- Your car lacks roof racks or crossbars
- You want a lightweight option under 9 pounds
Skip if
- You require a rigid hard-shell case
- You need integrated locking mechanisms
- You prefer a compact bag under 15 cubic feet
Verdict: Sailnovo 21 cu ft Soft Roof Bag provides ample volume for larger loads. It suits drivers without roof racks who need waterproof soft-shell storage.
RoofPax 19 cu ft Polyester Roof Bag
Best for: Extra volume and door-hook security
- 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
This RoofPax bag offers 19 cubic feet of storage in a 47.2 by 35.4 by 19.8 inch footprint. It weighs 12.4 pounds and uses a polyester shell rather than PVC. The design includes dual zippers and patented 4-door hook straps for secure mounting on vehicles with or without racks. You get a lifetime warranty on zippers and a 5-year warranty on the fabric. It fits well if you need extra capacity beyond the standard 15 cubic feet.
Pros
- 19 cubic feet capacity exceeds the 15 cu ft baseline
- Patented 4-door hook straps for secure attachment
- Polyester shell with dual zippers for weather resistance
- Fits vehicles with or without roof racks
Cons
- Heavier at 12.4 pounds than lighter competitors
- Shorter length than 21+ cu ft models
- No mention of a carrying handle
Good fit if
- You need more than 15 cubic feet of space
- You want a polyester shell instead of PVC
- You prefer mounting with door hook straps
Skip if
- You require a capacity larger than 19 cubic feet
- You need a lightweight bag under 10 pounds
- You only want a 15 cubic feet option
Verdict: RoofPax 19 CuFt Polyester Roof Bag provides extra volume and secure door-hook mounting for buyers who outgrow standard 15 cu ft bags. It suits those prioritizing polyester durability and rack-free installation.
Asinking 20 cu ft Waterproof Roof Bag
Best for: High-capacity waterproof storage without roof rails
- 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
The Asinking roof bag offers 20 cubic feet of storage in a 52 by 40 by 18.5 inch shell. It uses 900D PVC tarpaulin with triple-reinforced seams for full waterproofing. The design includes a double flap zipper and thick door hook pads. It fits vehicles with or without racks. This soft carrier optimizes fuel efficiency with a sloped profile.
Pros
- 20 cubic feet capacity
- 900D PVC tarpaulin shell
- Triple-reinforced waterproof seams
- Thick door hook pads
- Fits vehicles without roof racks
Cons
- Soft shell lacks rigid protection
- No integrated lock mechanism listed
- Manual velcro zipper flap
Good fit if
- You need extra space above 15 cubic feet
- You drive a car without roof rails
- You prioritize waterproof seam construction
Skip if
- You require a hard shell for impact protection
- You want an integrated locking system
- You prefer a rigid aerodynamic shape
Verdict: Asinking 20 cu ft Waterproof Roof Bag provides ample volume and robust waterproofing for travelers needing flexible storage on vehicles without racks. It suits those prioritizing capacity and weather resistance over rigid protection.
Mockins 40 cu ft XXL Roof Bag
Best for: large families and moving items
- Capacity
- 40 cu ft
- Shell Type
- Soft-shell 840D vinyl
- Water Resistance
- Waterproof
- Security
- Combo lock
- Installation
- Buckle and ratchet straps
- Vehicle Compatibility
- With or without roof rack
View on Amazon: Mockins 40 cu ft XXL Roof Bag Affiliate link
The Mockins 40 CuFt roof bag offers 72x48x20 inch storage in an 840D vinyl shell. It weighs 16.5 pounds and fits vehicles with or without crossbars. The design includes waterproof zippers and reinforced seams for all-weather protection. You get a full accessory kit with straps, hooks, and a roof mat. This bag suits those needing maximum cargo space for large families or moving items.
Pros
- 40 cubic feet capacity for large loads
- 840D vinyl shell resists abrasion
- Waterproof zippers and reinforced seams
- Includes roof mat and 6 door hooks
- Fits vehicles with or without roof racks
Cons
- 16.5 pounds weight adds to vehicle load
- 72 inch length may not fit smaller cars
- No mention of internal organization pockets
Good fit if
- You need extra space for family trips
- You have a vehicle with wide roof rails
- You want a bag that works without crossbars
Skip if
- You drive a compact car with a narrow roof
- You prefer a hard-shell carrier for security
- You need precise internal compartmentalization
Verdict: Mockins 40 CuFt XXL Roof Bag provides ample storage for large loads. It fits buyers with wide vehicles who need flexible mounting options and high capacity.
Specifications side by side
| Spec | Sailnovo 15 cu ft Soft Shell Roof Bag | Sailnovo 15 cu ft Soft-Shell Roof Bag | MeeFar 15 cu ft Roof Bag | Sailnovo 21 cu ft Soft Roof Bag | RoofPax 19 cu ft Polyester Roof Bag | Asinking 20 cu ft Waterproof Roof Bag | Mockins 40 cu ft XXL Roof Bag |
|---|---|---|---|---|---|---|---|
| Capacity | 15 Cubic Feet / 430L | 15 cubic feet / 430 L | 15 cu ft | 21 cubic feet | 19 Cubic feet | 20 cu ft | 40 cu ft |
| Shell Type | Soft shell | Soft shell (1000D fabric) | Soft shell, 700D PVC tarpaulin | Soft Shell | polyester | 900D PVC tarpaulin | Soft-shell 840D vinyl |
| Water Resistance | Waterproof | not stated | 100% waterproof | Waterproof | 100% waterproof | 100% waterproof | Waterproof |
| Security | not stated | not stated | Combination lock | not stated | not stated | Lock | Combo lock |
| Installation | Easy to set up for most vehicles | 2 reinforced straps, 4 door hooks | not stated | Tie-Down Strap | door hook straps, 10 straps | Metal ring strap design | Buckle and ratchet straps |
| Vehicle Compatibility | not stated | Fits most cars with or without roof rack | Vehicles with or without roof rack | not stated | fits cars with or without roof rack | With or without roof rack | With or without roof rack |
| Dimensions | 40.9 x 35.8 x 16.9 in | 9.84 x 6.69 x 13.4 in | 44 x 34 x 17 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 | 72 x 48 x 20 in |
| Recommended Use | not stated | not stated | Suitcases, tents, sleeping bags | not stated | not stated | not stated | Suitcases, sleeping bags |
| Vehicle Type | Car | Car | Car | Car | Car | Car | Car, SUV, Truck, Van |
| Size | 15 Cubic Feet | 15 Cubic Feet | 15 Cubic Feet | 21 Cubic Feet | 19 Cubic feet | 20 Cubic Feet | 40 Cubic Feet |
| Mount Type | not stated | not stated | Roof Mount | Roof Mount | Roof Mount | Roof Mount | Roof Mount |
| Lockable | not stated | not stated | Lockable | not stated | not stated | Lockable | not stated |
| Weight | not stated | 5.6 pounds | 100 kilograms | 8.16 pounds | 12.4 pounds | not stated | 16.5 pounds |
| Color | Grey | Grey | Black and Orange | Black | ['Black', 'Orange', 'Grey'] | Black with Blue | Black |
| Model | 5033_S_V1_1906 | #ASMD005033_S_V1 | 15 Cubic Feet | Sailnovo5033-FR | Rooftop_Cargo_Carrier | rooftop cargo bag | MA-RB-40BLK-72X48X20-89 |
If you require significantly less volume, examine specs for kenmore 4 4 cu ft top alternatives to compare dimensions.
Frequently asked questions
What is the best alternative to the Sailnovo 15 cu ft soft roof bag?
The MeeFar 15 cu ft Roof Bag is a strong budget-friendly alternative. It offers the same 15 cubic feet of capacity but features a black and orange color scheme. It measures 44 inches long and 34 inches wide. This option suits drivers who need easy installation on vehicles without roof racks.
Which soft shell roof bag provides more storage than the Sailnovo 15 cu ft model?
The RoofPax 19 cu ft Polyester Roof Bag provides extra volume for larger loads. It measures 47.2 inches long and 19.8 inches high. This model uses durable polyester material and includes door-hook mounting for security. It is ideal for buyers who outgrow standard 15 cubic feet bags.
Is there a Sailnovo alternative with higher capacity?
Yes, the Sailnovo 21 cu ft Soft Roof Bag offers more space. It provides ample volume for larger loads while maintaining a soft-shell design. It measures 9.84 inches in length when packed and weighs 8.16 pounds. This model suits drivers without roof racks who need waterproof storage.
What is the largest soft shell roof bag available as an alternative?
The Mockins 40 cu ft XXL Roof Bag is the largest option listed. It measures 72 inches long and 48 inches wide to fit wide vehicles. Weighing 16.5 pounds, it provides ample storage for large families or moving items. It offers flexible mounting options for high-capacity needs.
Does the Asinking 20 cu ft bag lock for security?
Yes, the Asinking 20 cu ft Waterproof Roof Bag is lockable. It provides ample volume and robust waterproofing for travelers. It measures 52 inches long and 18.5 inches high. This model suits those prioritizing capacity and weather resistance on vehicles without roof rails.
How do the packed dimensions of the Sailnovo 15 cu ft soft bag compare to others?
The Sailnovo 15 cu ft Soft-Shell Roof Bag has compact packed dimensions of 9.84 by 6.69 by 13.4 inches. It weighs only 5.6 pounds. In contrast, the MeeFar 15 cu ft Roof Bag weighs significantly more at 100 kilograms. The RoofPax 19 cu ft model weighs 12.4 pounds.