Product name: Foldable Backpack Product size: 40*26*14CM/16*10*5.5IN Storage size:12*9*4CM/4.7*3.5*1.6IN Product material: rainproof fabric Product features: 1. Outdoor foldable bag that is lightweight and rain-resistant. 2. Perfect for travel, fitness, and sports activities. 3. Spacious backpack with a large capacity to accommodate your belongings. 4. Features a foldable design for easy storage and portability. 5. Equipped with comfortable shoulder straps for convenient carrying. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact me we will give you some suggestion, but it is for you reference only. Package includes: 1 pc Foldable Backpack