Name: backpack, city bag, shelf bag, hanging bag, insulation bag Color: black, gray, blue Weight: 840G Function: The inner liner is made of waterproof aluminum film, and the left and right mesh bags are designed for heat preservation and waterproof, which can hold water bottles, towels and other breathable straps. Use, convenient for city travel Storage Space: This bag has storage space, which can hold some essentials, such as mobile phone, keys, wallet and so on. These items can be easily taken out or put in the bag at any time. Easy to Install: This car bag can be easily installed on the car. This will not interfere with riding and is also convenient and fast. Overall, it is a very practical accessory that can provide convenience and safety while meeting the various needs of the rider during the ride.