2pcs 500ml TPU Soft Flask Collapsible Sports Water Bottle for Hydration Pack for Running Hiking Cycling Climbing Jogging Marathon

Made from TPU material, BPA-free, tasteless, odor-resistant and reliable. Soft silicone bite for quick hydration, with a dust cap to keep clean. Wide opening for easy refilling. Extension tube for easy drinking. Folds compactly when empty, easy to store in your pocket or hydration backpack.