ITEM NAME:Foldable 2L Wide Mouth Hydration Drinking Sports Hiking Water Bladder Bag #gib Store Home Promotion Hot Item Add to Fav.Suggested drinking below 20 ~50℃ to avoid scalding. Capacity: 2L. Tear strength is the ability to judge material resistance to tear, while TPU has high tear resistance. Water resistance. The hydrolysis performance of TPU at room temperature is good, and no obvious hydrolysis will take place in 1-2 years.