Safety non-toxic environment,Compressive resistance to abrasion.;Tube connected to the bottom of the bladder;Can be used to store water with -20 to 40degree celsius;Compatible with most brands of hydration packs;Can be put into backpack and backpack's shoulder strap

• 2L Hiking Climbing Cycling Bicycle Hydration Bladder Bag Backpack System Pack Water Reservoir
• One Size Fits All
• Blue

2L Hiking Climbing Cycling Bicycle Hydration Bladder Bag Backpack System Pack Water ReservoirGuangzhou Guoke e-commerce Co.,Ltd