1. Waterproof nylon fabric, made of lightweight nylon material, is light, soft, tear-resistant, wear-resistant, waterproof, greatly improved in quality, difficult to soak in rain, and water drops can automatically slide down in rainy days, making you walk freely and flexibly.2. Comfortable and breathable backpack, the back and shoulder straps are made of mesh breathable material, which is effective in ventilation and perspiration, and is more convenient to carry.3. The water bag can be released internally, and the two-hand quick outdoor drinking system can replenish water at any time, which is suitable for various outdoor activities; Large-capacity space, the main bag is designed with practical large space, which is convenient for carrying all kinds of outdoor products and traveling. (Water bags need to be purchased separately.)4. Reflective warning strip with high brightness can be seen by others when traveling at night, which is safer. Reflective strips can reflect the surrounding light at night, thus warning passers-by and drivers. Reflective strip safety equipment increases the safety of the majority of donkey friends at night.5. Portable helmet fixing buckle, the helmet fixing net cover is connected by a hook, which is more convenient to disassemble, and the bottom zipper bag can accommodate the net cover without occupying the space of the main bag.