APAS High Quality 2L / 70OZ Foldable TPU Mouth Water Bag Packs Reservoir for Outdoor Sporting Hiking Cycling Climbing Fishing 2L / 70Oz hydration wide mouth water pack bag for cycling hiking climbing Made of durable PVC and TPU, foldable, reusable designed to go anywhere Can be used to store water with -20 to 50 Celsius,?but juice and milk are not recommended Can be easily put into pockets, suitcase, backpack and backpack's shoulder strap Turn on the water through opening the cover and drawing out the outlet, convenient and must-have outdoor gear