12 oz. mini reusable BPA-Free water bottle, made of foldable, bendable plastic that means bottle can be smushed and easily stored away when empty and stands like any other bottle when full. Durable Nylon with PE Laminate plastic bottle is freezer friendly. Includes tethered sport cap. Bottles are lightweight and ship flat - great on your wallet and the environment/carbon footprint. Each bottle comes with reinforced grommet with carabiner for easy carry on the go. Hand wash only. Cold liquids only. Not microwave or dishwasher safe. Note: Carabiner is designed for use with empty bottle only. Use of carabiner with full bottle may result in tearing and other damage. WARNING: CHOKING HAZARD--small parts. Not intended for children under the age of 3.