Quick Summary
The TANGZON 400L car roof box is a hard shell rooftop cargo carrier for luggage, bags and camping gear. It has a locking system, dual side opening and a black finish, making it a straightforward storage option for vehicles with suitable roof bars.
The stated 400L capacity gives you extra roof storage for longer journeys or trips with bulky items. The hard shell design is described as waterproof, so it is intended to help protect contents from wet weather while travelling.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | TANGZON. Useful for checking the exact product variant. |
| Product type | Car roof box / rooftop cargo carrier. Designed to add external storage on the vehicle roof. |
| Capacity | 400L. A key check if you need a particular amount of luggage space. |
| Colour | Black. Helps match the preferred vehicle accessory finish. |
| Opening style | Dual side opening. This allows access from either side of the vehicle. |
| Security feature | Locking system with 2 numbered keys. Relevant if secure storage matters during stops. |
| Compatibility | Fits most cars with suitable roof bars. Check your vehicle setup before choosing. |
What to Compare Before Buying
- Capacity: This box has a stated 400L capacity. Compare that with the amount of luggage or gear you want to carry.
- Roof bar setup: It is intended for vehicles with suitable roof bars, so check your car’s roof system before ordering.
- Opening access: The dual side opening suits buyers who want access from either side of the vehicle.
- Security: The locking system and 2 numbered keys matter if you want the contents secured while parked or travelling.
- Weather protection: The hard shell is described as waterproof, so check whether that matches the protection level you want for your trips.
Before You Decide
Confirm that your car has suitable roof bars and that 400L is the right storage capacity for your needs. Check whether dual side opening suits your loading setup, and make sure the black finish and locking system match what you want from a roof box.
Before choosing an offer, review the exact fit with your vehicle’s roof setup and the space you need for luggage or camping gear.






