Product Description: 1. Product name: Men and women outdoor sports folding backpack large capacity light 2. Product size: 40cm(15.75n),14cm(5.51in),26cm(43.7in) 3. Product style: Backpack 4. Product color: picture color 5. Material: Polyester fiber Product features: 1. Large Capacity Design: This backpack adopts a large capacity design that can easily fit all the necessary outdoor sports items, making it convenient to carry without having to worry about not being able to fit everything. 2. Foldable Design: The foldable design makes it easy to carry. It can be folded into a compact package, making it easy to store or put into another bag. 3. Lightweight Material: Made with high-quality materials, it is lightweight, long-lasting, and suitable for outdoor activities. 4. Double Shoulder Straps: The backpack is designed with double shoulder straps, which can distribute weight and reduce the pressure of carrying heavier loads. With its ventilation design, it feels comfortable even during intense activities. 5. Versatile: With its large capacity, foldable design, lightweight material, and comfortable double shoulder strap design, it is suitable for a variety of outdoor activities such as hiking, camping, rock climbing, cycling, and trekking. It caters to your various needs. Attention: 1. As we all know, different computers display different colors, and the real color may be slightly different from the following picture. 2. Due to manual measurement, the size may have an error of several centimeters. The package contains: 1 backpack