Environmentally friendly material, BPA-: The entire hydration bladder is made of high quality antibacterial material. Tasteless, non-toxic, BPA , SGS and FDA certified. This has been tested to comply with international safety standards. Leaves no bad taste in your drink. The water bladder ped the pneumatic pressure test, it is pressure tolerant. The double-sided sealing technology has greatly improved the durability. The stiffest hydration bladder on the market. H is properly hydrated: This 1.5 litre water reservoir can withstand temperatures from 10 to 50 degrees Celsius. Insulated hose resists temperature changes in hot and cold weather. L 31.3 cm x W 17.5 cm hydration bladder is compatible with most hydration backpacks. The tube (104 cm) provides a healthy flow for easy drinking, so you stay hydrated while cycling, hiking or running Hand Wash Only Fastening: 卡扣 Sports AONIJIE Leak-proof: They will not slow down with our high flow bite valve. Simply bite the mouthpiece to suck water. Soft mouthpiece with easy pull on/off valve prevents leakage. It also has a cover to keep dirt away. Control the water flow conveniently by biting, if you do not bite, the water will not leak. Quick release tube is removable. Automatic shut-off when the hose is removed, the bubble remains filled, does not leak. Store neatly in the fridge / ice box without tangling the hose. Easy to clean large opening: Fully open and sliding opening, water injection, cleaning and drying is easy to handle with easy access to the inside, with a hydration bladder cleaning brush or used by hand, both are practical. Automatic closing hose connector: The hose tubes come with self-closing attachments and quick-release bite valves to ensure a leak-proof experience. With strong clips included to hold your drinking tube in place. Pull out opening on the top of the bag makes it much easier to add and clean ice cubes International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.