Waterproof material: The storage box is made of high-quality encrypted 600D polyester. This is a water-repellent treatment (PVC coating). It is also equipped with a pair of straps tied around your back like a cargo net, and the luggage compartment is securely fixed in place.Applicable uses and occasions: The organizer is a choice ideal for small or large cars. It can be adjusted to fit compact cars, sedans, etc.1 Minute Easy Installation: You can easily install this car trunk storage bag in just three steps. It is equipped with 3 head buckles, which can be flexibly adjusted in length, and the square elastic buckle is firmly fixed. You can easily insert the space between the two sides to fix it. In this way, it will not shake with the car.Size and capacity: the size of the storage box is approximately 90 x 50 cm (unfolded), and the total capacity is 500 g . It comes with side mesh pockets. These pockets can organize your small things well. We know you will choose it.Description: The large seat bag is made of encrypted 600D polyester and is waterproof (PVC coating).Product name: car storage bag.Material: 600D polyester.Size: ABWeight: about 500g. Package: 1 x car storage bag.Note: Please allow slight deviation due to manual measurement. The actual color of the item may be slightly different from the photo