Sailnovo Car Rooftop Cargo Carrier or Sailnovo 20 Cubic Feet/580L Car? Which Sailnovo Model to Buy
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When comparing the sailnovo car rooftop cargo carrier vs 20 cubic feet 580l car options, you are looking at two soft-shell roof bags from the same brand. Both models offer waterproof protection and flexible mounting for vehicles without traditional roof bars. The main difference lies in their capacity and design. One model provides slightly more space with a 21 cubic foot volume, while the other offers a 20 cubic foot capacity with specific structural reinforcements. You need to decide which volume and feature set best fits your luggage needs.
Key differences
| Aspect | Sailnovo 21 cu ft Soft Roof Bag | Sailnovo 20 cu ft Roof Bag |
|---|---|---|
| Capacity | 21 cubic feet | 20 cubic feet / 580L |
| Shell Material | Soft Shell | 1000D waterproof PVC |
| Dimensions | 9.84 x 7.09 x 13.8 in | 51 x 39 x 17 in |
| Installation | Tie-Down Strap | Straps, door hooks, non-slip mat |
| Weight | 8.16 pounds | 8.93 pounds |
Which one should you choose?
Choose Sailnovo 21 cu ft Soft Roof Bag if
- You need the maximum available volume for larger loads
- You prefer a lighter unit to reduce roof weight
- You want a simpler strap-only installation method
Choose Sailnovo 20 cu ft Roof Bag if
- You want heavy-duty 1000D PVC construction
- You need extra security features like door hooks
- You value reflective strips for night visibility
Verdict: The 21 cubic foot bag suits those prioritizing volume and minimal weight. The 20 cubic foot bag is better for users seeking robust materials and enhanced security features. Your choice depends on whether you value extra space or reinforced protection.
Sailnovo Soft Roof Bag Showdown
Capacity and Volume
The Sailnovo 21 cu ft Soft Roof Bag offers slightly more internal volume than its sibling. Product A provides 21 cubic feet of storage space. Product B, the Sailnovo 20 cu ft Roof Bag, lists 20 cubic feet, which equals 580 liters. While one cubic foot may seem minor, it adds usable room for bulkier items like camping gear or luggage sets. For most travelers, both volumes are substantial. However, if every inch of cargo space matters for your next trip, the 21 cubic foot model holds the slight advantage in total capacity.
Shell Material and Build
Both units rely on soft-shell designs, but their material specifications differ. Product A is described simply as a soft shell with waterproof properties. Product B specifies a three-layer construction using high-density 1000D waterproof PVC lining. This thicker, reinforced fabric suggests greater durability against abrasion and punctures. The 1000D rating indicates a heavy-duty textile choice. For buyers prioritizing long-term wear resistance and tear protection, the specific material data in Product B provides more confidence in its structural integrity compared to the general description of Product A.
Mounting and Stability
Installation methods vary between the two models. Product A uses a standard tie-down strap system. Product B includes a more comprehensive kit with six reinforced straps, six safety door hooks, two long adjustable straps, and a non-slip mat. The door hooks offer an alternative securing method for vehicles without roof bars. The inclusion of a non-slip mat and reflective strips on Product B enhances stability and night-time visibility. This multi-point attachment system suggests a more secure fit, reducing the risk of shifting during high-speed travel or windy conditions.
Vehicle Compatibility
Both bags are designed for universal fitment. Product A fits cars without luggage racks, relying on its strap system. Product B explicitly states compatibility with vehicles both with and without roof bars, including cars, SUVs, pickups, and station wagons. It also mentions suitability for roof rails and baskets. This broader stated compatibility gives Product B an edge for owners of diverse vehicle types. If you have roof bars, Product B confirms it works with them. Product A focuses on the no-bar scenario, making Product B more versatile across different car configurations.
Weight and Portability
When not in use, both bags fold into storage bags. Product A weighs 8.16 pounds. Product B weighs 8.93 pounds. The difference is less than one pound. This minimal weight variance means neither model is significantly heavier to carry or lift onto the roof. Both are light enough for a single person to handle easily. The slight weight increase in Product B comes from its additional hardware and thicker fabric. For most users, this difference is negligible, resulting in a tie for everyday portability and ease of storage.
Aerodynamics and Design
Product B highlights an aerodynamic design intended to adapt better to driving wind speeds. It claims this shape makes trips quieter and more fuel-efficient compared to square designs. Product A does not specify aerodynamic shaping in its data. While both are soft bags, the explicit mention of wind-speed adaptation in Product B suggests a more refined profile. This could reduce wind noise and drag. For highway driving, the aerodynamic claim in Product B offers a potential benefit in noise reduction and efficiency that Product A does not explicitly promise.
Which Sailnovo Roof Bag Fits You
You need maximum storage volume
The 21 cubic feet capacity provides more space than the 20 cubic feet model. This extra volume helps when you are packing for a longer trip or carrying larger gear. The soft shell conforms to your load, allowing you to secure items tightly. You get the highest storage potential in this lineup.
You want enhanced security features
This model includes six safety door hooks and a non-slip mat with reflective strips. These features add stability and improve nighttime visibility. The six reinforced straps and two long adjustable straps offer multiple anchor points. You get better peace of mind regarding cargo security and vehicle visibility during night drives.
You prefer universal compatibility
Product B explicitly states it fits vehicles with or without roof bars. The design adapts to crossbars, side rails, or basket setups. This flexibility is useful if your vehicle lacks standard roof racks. You get a versatile solution that mounts securely to various car types without needing specific hardware.
The products compared
Sailnovo 21 cu ft Soft Roof Bag
Best for: cars without roof rails
- 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 installation on cars without roof rails. It is waterproof and fits vehicles without luggage racks. You get a flexible storage solution that conforms to your roof shape.
Pros
- 21 cubic feet capacity
- Waterproof soft shell
- Fits cars without roof rails
- Lightweight at 8.16 pounds
Cons
- Soft shell offers less protection than hard cases
- Requires manual tie-down installation
- No rigid structure for heavy loads
Good fit if
- You need extra storage for a car without roof rails
- You want a lightweight and flexible cargo solution
- You need waterproof protection for your gear
Skip if
- You require a rigid hard shell for maximum security
- You have roof rails and prefer integrated mounting systems
- You need a larger capacity than 21 cubic feet
Verdict: Sailnovo 21 Cu Ft Soft Shell Roof Bag is a practical choice for cars without roof rails. It provides waterproof storage for drivers who need flexibility and ease of installation.
Sailnovo 20 cu ft Roof Bag
Best for: Cars without roof bars
- Capacity
- 20 cu ft / 580L
- Shell Type
- 1000D waterproof PVC
- Water Resistance
- Waterproof
- Installation
- Straps, door hooks, non-slip mat
- Vehicle Compatibility
- With or without roof bars
- Dimensions
- 51 x 39 x 17 in
View on Amazon: Sailnovo 20 cu ft Roof Bag Affiliate link
This Sailnovo roof bag offers 20 cubic feet of storage in a 51 by 39 by 17 inch soft shell. It uses 1000D waterproof PVC with a rain curtain to protect gear. The design fits vehicles with or without roof bars using straps and hooks. You get a lightweight 8.93 pound carrier that folds into a storage bag. It suits families needing flexible cargo space for trips.
Pros
- 20 cubic feet capacity for 5-8 people
- 1000D waterproof PVC with 13cm rain curtain
- Fits vehicles with or without roof bars
- Includes non-slip mat with reflective strip
- Lightweight 8.93 pound design
Cons
- Soft shell lacks rigid impact protection
- Requires manual strap tightening
- No integrated locking mechanism
Good fit if
- You need extra storage without roof bars
- You want a lightweight carrier for fuel efficiency
- You need waterproof protection for gear
Skip if
- You prefer hard-shell durability
- You want built-in locking security
- You need more than 20 cubic feet
Verdict: Sailnovo 20 cu ft Roof Bag provides flexible, waterproof storage for cars without roof bars. It is best for travelers who prioritize lightweight, adaptable cargo space over rigid protection.
Specifications side by side
| Spec | Sailnovo 21 cu ft Soft Roof Bag | Sailnovo 20 cu ft Roof Bag |
|---|---|---|
| Capacity | 21 cubic feet | 20 cu ft / 580L |
| Shell Type | Soft Shell | 1000D waterproof PVC |
| Water Resistance | Waterproof | Waterproof |
| Installation | Tie-Down Strap | Straps, door hooks, non-slip mat |
| Vehicle Compatibility | not stated | With or without roof bars |
| Dimensions | 9.84 x 7.09 x 13.8 in | 51 x 39 x 17 in |
| Vehicle Type | Car | Car |
| Size | 21 Cubic Feet | 20 Cubic Feet |
| Mount Type | Roof Mount | not stated |
| Weight | 8.16 pounds | 8.93 pounds |
| Color | Black | Orange |
| Model | Sailnovo5033-FR | *#ASMD005033_2_M_V1 |
Frequently asked questions
Which Sailnovo roof bag is better for a car without rails?
Both models are designed for vehicles without roof bars. The 21 cu ft version offers slightly more volume. The 20 cu ft option is lighter at 8.93 pounds. Choose the 21 cu ft bag if you need extra space. Pick the 20 cu ft bag for easier handling.
What is the weight difference between the two Sailnovo bags?
The 21 cu ft bag weighs 8.16 pounds. The 20 cu ft bag weighs 8.93 pounds. The larger capacity model is actually lighter. This makes the 21 cu ft version easier to lift and install on your vehicle roof.
Do these Sailnovo carriers come in different colors?
Yes, you can choose between black and orange. The 21 cu ft model comes in black. The 20 cu ft model is available in orange. Color selection does not affect the waterproof performance or mounting system.
Is the Sailnovo 21 cu ft bag waterproof?
Yes, both models provide waterproof storage. The soft shell design protects your gear from rain and dust. This feature ensures your luggage stays dry during travel, regardless of the weather conditions you encounter on the road.
How much storage space does the 20 cu ft bag offer?
The 20 cu ft bag provides 20 cubic feet of storage. This equals approximately 580 liters of space. It is suitable for moderate travel needs. You can fit several bags of clothes or small sports equipment inside.
Can I use the Sailnovo bag on any car?
These bags are best for cars without roof rails. They attach directly to the roof surface. Ensure your roof is clean and flat for secure mounting. They are not designed for vehicles with existing roof bars or racks.
What is the model number for the orange bag?
The orange 20 cu ft bag has the model identifier ASMD005033_2_M_V1. This specific model helps you find the correct product online. It ensures you order the right size and color combination for your needs.