G4Free 2-Way Foldable & Portable Daypack Lightweight Backpack Waist Pack for Yoga Sports Hiking Cycling Camping(Dark Green-Grey) MATERIAL - The backpack is made of highly ripstop, tear and water resistant nylon fabric, providing strengthen and long-lasting performance with minimal weight with durable 2-way abrasion resistant SBS Metal Zipper.The capacity:17L or so FOLDABLE - Folded into a waist pack, convenient to carry. Unfolded from WAIST PACK to BACKPACK. It is a must-have bag on every trip, outdoor activeties, shopping, etc. LIGHTWEIGHT (6.9 oz) and ROOMY (12.6 x 5.1 x 19.29 inches) - A true space saver, avoid overweight charges, defenitely a super lightweight compact bag for your happy journey. MULTIFUNCTIONAL - It can be used both as a waist bag or a shoulder bag or a bacpack. And it is comfortable and convenient to carry with comfortable wide breathable mesh shoulder straps. Easy to adjust the length. INTENDED USE - The backpack is perfect for day-to-day use or occasional travel, camping, hiking, cycling, running, sports, yoga, gym, shopping and also a great gift for your friends or family. You can also use it as a gym sports gear or use it on your PE lesson. This bag will sure be a don't-miss item for everyone!