Mockins 40 CuFt XXL Car Review: Specs, Pros and Cons
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This mockins 40 cuft xxl car review looks at a soft-shell roof bag designed for flexible storage. It offers 40 cubic feet of space with dimensions of 72 by 48 by 20 inches. The carrier uses 840D vinyl for durability. It weighs 16.5 pounds. You can mount it on vehicles with or without crossbars. The design includes waterproof zippers and reinforced seams. This setup helps you carry luggage, tents, or sleeping bags. It adapts to various roof rack configurations. The bag provides a practical solution for adding overhead storage to your car or SUV without permanent modifications.
What stands out
- 40 cubic feet capacity with 72 x 48 x 20 inch dimensions
- 840D vinyl soft-shell construction for abrasion resistance
- Mounts to vehicles with or without crossbars using four secure methods
- Includes 3 buckle straps, 3 ratchet straps, 6 door hooks, and 2 trunk hooks
- Comes with a car roof mat to protect your vehicle's finish
Who it fits
Good fit for
This bag suits drivers who need extra space but lack a hard carrier. It works well for cars or SUVs without roof racks. The flexible mounting options allow you to use door hooks or ratchet straps through the vehicle frame. You will appreciate the included accessories, which provide a complete kit for installation. The waterproof design protects your gear from rain. If you frequently transport large items like tents or suitcases, this soft-shell option adds significant volume to your trip.
Who should skip it
You should look elsewhere if you need a rigid, aerodynamic carrier. This soft-shell bag sits higher on your roof, which may affect clearance in tight garages. It does not integrate with existing roof bars as seamlessly as hard cases. If you prioritize low wind noise and sleek styling, a hard shell is better. Also, if you want a carrier that stays attached permanently, this bag requires removal and storage in its carry bag when not in use.
Verdict: The Mockins 40 cu ft bag provides substantial, flexible storage for vehicles without permanent roof racks. Its included hardware makes it a complete solution for adding overhead space.
Key specs explained for this roof bag
Capacity: 40 cu ft
This volume tells you how much gear fits inside. You can store large items like suitcases, sleeping bags, or tents. This size suits families or those moving items. It offers more space than standard roof boxes. You get ample room for weekend trips or longer journeys without needing multiple carriers.
Dimensions: 72 x 48 x 20 in
These measurements define the physical footprint and height. The 72-inch length fits most car roofs. The 48-inch width covers the roof span. The 20-inch height adds vertical space but may affect clearance in tight garages. You should measure your vehicle roof before buying to ensure a proper fit.
Shell Type: 840D vinyl
This material grade indicates the fabric strength. 840D vinyl is abrasion-resistant and durable. It withstands road debris and rough handling better than thinner fabrics. You benefit from long-term reliability during travel. This construction helps the bag resist tears and wear over many seasons of use on your vehicle.
Water Resistance: waterproof
This rating means the bag keeps rain out. It features waterproof zippers and sealed seams. You can trust your gear stays dry in heavy rain. This is essential for protecting electronics or clothing. Unlike water-resistant options, this design offers superior protection against moisture penetration during unexpected weather changes on the road.
Design and Build Quality
According to the listing, this carrier uses an 840D vinyl soft shell. This material choice targets abrasion resistance and long-term durability. The black finish blends with most vehicle colors. The soft structure allows the bag to conform to roof contours, which helps with stability on uneven surfaces. It lacks a rigid frame, so it relies entirely on your vehicle’s roof structure or the included straps for shape.
The dimensions measure 72 inches long, 48 inches wide, and 20 inches high. This layout provides 40 cubic feet of total volume. You can fit large items like suitcases, sleeping bags, or tents inside. The height allows for bulkier gear, while the length fits over most standard car roofs. The width ensures coverage across the roof width, maximizing usable space without overhanging excessively.
The unit weighs 16.5 pounds. This weight is manageable for most adults to lift onto a roof rack. The soft shell design means it folds down for storage when not in use. The listing notes waterproof zippers under a protective flap. This feature helps keep gear dry during rain. The material choice prioritizes flexibility and weather resistance over rigid protection. You get a lightweight, adaptable storage solution that expands your roof capacity without adding permanent bulk to your vehicle.
Setup And Everyday Use Guide
This roof bag requires no crossbars or roof racks for installation. You can secure it using four distinct methods. First, you may buckle straps to side rails and run ratchet straps through the car. Second, you can buckle straps to side rails only. Third, use door hooks with buckle and ratchet straps. Fourth, run ratchet straps through the vehicle directly. The included kit provides three buckle straps, three ratchet straps, six door hooks, and two trunk hooks. A car roof mat is also included to protect your paint and stabilize the bag. This flexibility allows you to adapt the setup to your specific vehicle type, whether it is a sedan or an SUV. Daily use involves loading gear into the 40 cubic foot space. The waterproof zippers sit under a protective flap to keep contents dry. Reinforced seams add durability for long trips. The 840D vinyl shell resists abrasion from wind and debris. After your trip, you can fold the bag and store all accessories in the included carry bag. The 10-year limited warranty covers this soft-shell carrier. You do not need to worry about rain damaging your items, as the design is waterproof. The soft structure conforms to roof contours, which helps with aerodynamics and stability. You can load heavy items, from suitcases to tents, knowing the straps keep everything secure. The black color blends with most vehicle exteriors, keeping the look clean. This setup process is straightforward and does not require tools beyond the included hardware. You can install it quickly before heading out for a weekend getaway or a long move.
Before You Buy This Roof Bag
Before you buy, check your vehicle roof width. The 48-inch width fits most sedans and SUVs, but measure your roof to ensure clearance. This soft-shell design does not require crossbars, making it versatile for vehicles with only side rails or no racks at all. However, verify that your door hooks will not interfere with your trunk or door seals when closed. You will need to keep the vinyl clean. Rinse it after muddy trips to preserve the 840D material. Store it in the included carry bag when not in use to protect it from UV damage. This option sits alongside hard roof boxes in our guide. Choose this if you need flexible, rack-free storage. Pick a hard box if you want maximum security and aerodynamics. This bag offers a practical middle ground for occasional large loads.
Check before you buy
- Measure your roof width to ensure the 48-inch bag fits comfortably.
- Check if door hooks interfere with trunk or door seals.
- Verify side rail strength supports the 16.5-pound empty weight.
- Ensure you have space to store the carry bag at home.
The product at a glance
Mockins 40 cu ft XXL Roof Bag
Best for: cars without roof racks needing high capacity
- 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
This soft-shell roof bag offers 40 cubic feet of storage, measuring 72 by 48 by 20 inches. It weighs 16.5 pounds and uses 840D vinyl for water resistance. The design fits vehicles with or without crossbars. You can secure it using ratchet straps, buckle straps, or door and trunk hooks. It includes a protective car roof mat and a carry bag for storage when not in use.
Pros
- Generous 40 cubic feet capacity
- Fits vehicles without roof racks
- Includes door and trunk hooks
- Comes with protective roof mat
- Waterproof 840D vinyl shell
Cons
- Soft shell offers less protection than hard cases
- Heavier at 16.5 pounds than rigid alternatives
- Requires manual ratchet strap tightening
Good fit if
- You need extra storage on a car without crossbars
- You want to transport bulky items like tents
- You prefer a compact bag for off-season storage
Skip if
- You require rigid impact protection for fragile gear
- You want aerodynamic hard-shell design for highway speeds
- You prefer a lightweight bag under 10 pounds
Verdict: Mockins 40 CuFt Soft Roof Bag provides ample soft storage for cars lacking roof racks. It suits travelers who prioritize capacity and flexible mounting options over aerodynamic efficiency.
Specifications side by side
| Spec | Mockins 40 cu ft XXL Roof Bag |
|---|---|
| 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 |
| Dimensions | 72 x 48 x 20 in |
| Recommended Use | Suitcases, sleeping bags |
| Vehicle Type | Car, SUV, Truck, Van |
| Mount Type | Roof Mount |
| Weight | 16.5 pounds |
| Size | 40 Cubic Feet |
| Color | Black |
| Model | MA-RB-40BLK-72X48X20-89 |
Frequently asked questions
Does the Mockins 40 cu ft roof bag require roof racks?
No, this carrier does not require roof racks or crossbars. It is designed to mount directly to the vehicle. You can secure it using straps that buckle to side rails or run through the car doors. This makes it suitable for cars without existing roof infrastructure.
What are the exact dimensions of this roof bag?
The Mockins 40 cu ft bag measures 72 inches in length, 48 inches in width, and 20 inches in height. These dimensions provide a substantial storage footprint. The 48-inch width fits most standard sedans and SUVs, while the length accommodates longer gear items.
How much does the Mockins roof bag weigh?
The unit weighs 16.5 pounds. This lightweight design allows for easier handling during installation and removal. The soft shell construction contributes to the low weight while maintaining the structural integrity needed for 40 cubic feet of cargo space.
Is this carrier suitable for cars without roof racks?
Yes, it is ideal for vehicles lacking roof racks. The soft shell conforms to the roof contours, and the mounting system does not depend on crossbars. It serves as a high-capacity solution for travelers who need extra storage but do not have permanent roof fixtures.
What material is the Mockins roof bag made of?
The bag is constructed from 840D vinyl. This material offers abrasion resistance and durability for long-term use. The black finish helps it blend with most vehicle colors, while the soft shell design protects the roof surface from scratches compared to hard carriers.
What is the storage capacity of this roof bag?
The storage capacity is 40 cubic feet. This volume is sufficient for large items such as suitcases, sleeping bags, or tents. It provides ample space for families or individuals moving items, offering more capacity than many standard roof boxes of similar footprint.
