• TPU
• Replacement drink hose-- it has a universal in diameter fitting with plug play system, just clcik it to add or remove the tube within a few seconds
• Tube for hydration bladder-- auto shutoff valves prevents leaking when the tube is detached
• Hydration bladder replacement-- a mid-line quick-connect allows easy removal of the bladder from a backpack
• Hydration system drink tube-- the tube provides a wholesome for easy drinking, keeping you hydrated when biking, cycling, hiking, or running!
• Water bladder drink tube-- can withstand temperatures from -20 to 50 degrees celsius. insulated tube resists temperature changes in hot and cold weathers