WATERFLY 3L 3 Liter Portable Foldable Outdoor Sports Hydration Bladder Water Pack Bag Hydro Packs For Cycling Hiking Climbing Running 100% Odorless,Taste-free and BPA-free.Easy to use: Durable Bite Valve for easy drinking.Easily fitting into pockets, backpacks or briefcases, Can be used to store water with -20 to 50 degree celsius.High quality TPU material,Water pressure resistance test is greater than or equal to 60 KG.Tube length: 39.3" (100cm);External dimensions (empty): 7.48"x20.47" (18x37cm). WATERFLY ENJOY YOUR LIFE Description: (1)Material: double-sided import TPU,Hydrolysis resistance, antimicrobial resistance, high strength, resistance to high water pressure. GB international level in line with China or the United States FDA food grade NSF standards, and the European EN71 free of heavy metals and toxicity test specifications. (2)Easily fitting into