Pack 2 TPU Soft Hydration Water Bottle BPA Free Collapsible Flask Use in Vest for Marathon Running Hiking Cycling (600ml/2x20.3oz)

DURBLE TPU MATERIAL: Our soft flask is made from TPU material, 100% BAP and PVC It is very friendly to environment that is degradable. No weird odors and antibacterial. CONVENIENT DESIGN: The water bottle is collapsible, so you can roll it up or flatten the bottle when empty. It's very portable and doesn't take up too much space. And it fits most running vest, hydration Pack or backpacks. Available for children and adult. EASY TO USE: Silicone bite mouthpiece. Bite the mouthpiece gently to drink water. Our flask is foldable, and it takes little room when empty. It is also washable, and very easy to clean and store. ABOUT USING: Recommended used temperature: 0 - 40 ℃. The water bottle can hold liquid with -40℃ to 100℃. The folding water bottle with straw/nozzle can be frozen and chilled overnight, easily get a refreshing beverage on the hot day. 600ML WITH STRAW : The open mechanism is on the straw not the mouthpiece. The straws rotate 360 degrees and have an extra push/pull valve. Pull the top of the straw up gently, and then suck the nozzle lightly to drink the water.