Covboa Super Light Waterproof Foldable Outdoor Sports Travel Backpack, Suitable Mountaineering, Hiking, Camping, Riding a Bicycle,Unisex. INCOMPARABLE QUALITY - Lightweight and easy to clean: waterproof and tear resistant nylon material.Size:11.8" x4.7" x18.9". STORAGE SPACE - 1 front zipper pocket, 1 large main zipper pocket, 2 side mesh water bottle pockets and 1 inner small pocket for small items. Large capacity & multifunctional pocket, keep thing organized. CONVENIENT - when you don't need it, put it into the case, do not take up space, use a backpack or bag, comfortable, adjustable ventilation network expand the shoulder straps, protect your shoulders, easy to carry. MULTIPURPOSE - You can use it to travel, hiking, walking, cycling, shopping, school, camping some outdoor sports. CAPACITY - Lasting perfect backpack, a good choice for everyday use and how was your trip, and make your life more comfortable.