High-quality materials; the foldable backpack is made of high-quality polyester material, which is durable and lightweight, providing you with many conveniences. It is very suitable for day trips, camping, holidays, hiking, travel, school and shopping. Waterproof and durable: This lightweight backpack is made of high-quality, tear-resistant, waterproof nylon, which can effectively protect the items in the foldable backpack from getting wet. But it cannot be soaked in water. Lightweight and portable: It is your best choice for short trips or dog walks. Comfortable - This foldable travel backpack is designed with comfort and functionality in mind. Breathable and adjustable shoulder straps avoid excessive pressure on the shoulders, and reinforced seams provide long-lasting performance. Outdoor companion - It is the perfect companion when you go out. Breathable mesh shoulder straps help relieve pressure on the shoulders. Small in size but large in capacity, it is a perfect gift for men and women who love outdoor sports such as fishing/hiking/camping/cycling/running. Size: width about 29 cm, height about 41 cm, thickness 12 cm Note: 1. Manual measurement, please allow a certain error 2. Due to light and screen differences, the product color may be slightly different from the picture