High Quality and Capacity-The 2.5L hydration bladder, and it made of TPU flexible food grade material, BPA free. And the RESVIN bladder will not produce plastic taste and safe for drinking.
Adjustable Bite Valve-The hose length is 39inch.The occlusal valve adopts a push/pull design. The water flow is controlled by a yellow switch. Pull up the drinking cap and gently bite the mouthpiece with the front teeth to turn on. Push backward to stop the water flow. (Be careful not to be pressed by the contents of the tube to affect the water absorption function during use)
Large Opening Design-The water bladder has a large top opening to easy filling for from a scoop or refrigerator ice dispenser, and easy clean with a hand or bottle brush.(IT is recommended that the water temperature is 0°-50°,and the temperature is 10°.It may be freeze at a temperature of 0°~-10° for a long time).
The low profile design-increases product stability, which improves water flow speed, and makes it easier to pack.
Pressure Tolerant-Our water bladder for hydration pack has passed a bearing pressure test. Don't worry about the Pressure resistance.