【Durable Waterproof Design】Constructed with waterproof nylon material, this backpack ensures your belongings stay dry in various outdoor conditions. 【Spacious and Versatile】The large main compartment accommodates laptops, tablets, and other essentials, perfect for outdoor adventures and travel. 【Multiple Storage Options】Features a large zippered pocket on the upper section for various items and a small zippered pocket on top for quick-access essentials. 【Convenient Side Storage】Elastic mesh pockets on the sides are ideal for holding water bottles or beverages, keeping you hydrated on the go. 【Dedicated Shoe Compartment】A specialized compartment at the bottom of the upper section allows for separate storage of shoes, maintaining cleanliness and organization. 【U-Shaped Ventilated Back Design】 The U-shaped ventilated back features multi-layer honeycomb mesh elastic foam padding on both sides. This design minimizes direct contact between the back and the backpack, promoting air circulation and enhancing heat dissipation. 【External Storage System】 The backpack comes with external hanging straps that allows you to easily store and transport a foldable tent or other camping gear. Specifications: Material: waterproof nylon Size: width 30cm*height 50cm*thickness 18cm Weight: 0.75KG