• 100% brand new and high quality.
• 1.5/2L Hydration Wide Mouth Water Bladder Bag-Cycling Hiking.
• Tube connected to the bottom of the bladder.
• Can be put into backpack and backpack's shoulder strap.
• Can be used to store water with 10 to 50 degree celsius.
• Foldable design, saving your pack space when not in use.
• Suitable for camping, hiking, cycling,... etc.