Unigear Hydration Bladder, 1.5L/2L/2.5L/3L Water Bladde Non-BPA and odorless for Backpacking, Biking, Hiking and CampingPREMIUM QUALITY: Unigear water bladder is made of high quality TPU flexible food grade material. Non BPA. Your taste odorless hydration bladder has passed a bearing pressure test to ensure it is leak proof and ready use LOW PROFILE DESIGN: Unigear water bladder for hiking backpack offers unparalleled stability which reduces liquid movement for increased pack stability at high speed LARGE OPENING FOR EASY CLEANING: Inner surfaces easily accessible for