Features: -500ML/250ML/150ML, ultimate remedy against dehydration -Easy and fast hydration bite valve, easy refilling screw cap (2.5 CM diameter cap) -Protective cover included -PVS and Bisphenol-A free, TPU material Specification: Band: AXEN Material: TPU Color: blue, green, pink Capacity: 500ML, 250ML, 150ML Size: as picture showed Application: Running/hiking/cycling/climbing/camping Recommended water temperature: -20℃ to 50℃/-4°F to 122°F Package: PE bag/piece