• Neoprene
• HIGH QUALITY MATERIAL: our water bottle carrier bag case sling cover made of 4mm thick neoprene material,soft,nsulated,elastic,water resistance and shockproof.Perfectly protect your bottles in daily use and keeps the water warm or cold.
  
• MACHINE WASHABLE: the AUPET water bottle holder with pockets is easy to clean and machine washable. the color will never fade
  
• GREAT FOR TEENS & ADULTS: Use it for walking,running,gym,cycling,hiking and more.with two zipper pockets for smartphone,cash,card keys and other small items.with the adjustable shoulder strap and the carring strap,you can wear over the shoulder, cross chest as a sling bag or just hand carring.
  
• AVAILABLE IN FOUR SIZES:Our AUPET water bottle crossbody bags has four sizes for you to choose,25oz/32oz/40oz/64oz,please refer to the picture to choose the right size
  
• CUSTOMER SERVICE: Our AUPET water bottle carrier is available in a variety of wonderful colors, This bag will last years, and if there's an issue, please feel free to contact us!