iiSPORT Hydration Bladder Water Reservoir Pack for 2 liter 2L Backpack System Bicycling Camping Hiking Save $3 new release 7 days! Code L7BIOMU4 . FDA Approved Non Toxic BPA Free Strong Material Easy to Clean Large Opening, Quick Release Insulated Tube with Shutoff Valve. Stay Hydrated! Foldable design,Can be used to store water with -20 to 40 degree celsius. Can be put into backpack and backpack's shoulder strap Large opening for easy cleaning inner surfaces, easy to fill water and ice. Use Range: Bike trips, camping, hiking , Running and other outdoor sports. Stay Hydrated when you are Camping, Hiking, Biking, or Hunting