Features: 1. Waterproof: This backpack can protect your items from water and dust effectively as it is made of nylon fabric, allowing you to use it with confidence. 2. Wide Application: This storage bag is suitable for outdoor activities such as school, college, hiking, trekking, backpacking, climbing, camping, travel, and other outdoor uses. 3. Large Capacity: The 30L design provides ample space to meet various needs, enabling you to carry computers, clothes, notebooks, tools, and other essentials easily. 4. Portable: Compact and lightweight, this pack is suitable for both men and women. It can be carried conveniently and folded for easy storage when not in use. 5. Comfortable: The back panel is designed with a sponge padding that is breathable and soft, ensuring comfortable wear without irritating the skin or straining the shoulders. Specification: Material: Nylon, polyester liner. Size: Width: Approx. 30cm/11.81inch; Height: Approx. 48cm/18.9inch; Thickness: Approx. 17cm/6.69inch. Capacity: 30L. Note: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Please allow slight variations in measurements and ensure you are comfortable with this before ordering. Included: 1 x Backpack