Diverse specifications: Provides 600ml foldable water bottles, available in blue, yellow, and gray colors to meet travel, outdoor, and sports needs Material safety: Made of silicone material, free of bisphenol A, odorless, safe and reliable for drinking Portable and easy to store: Foldable design, convenient storage, can easily fit into handbags, backpacks or fitness bags, lightweight and burden free to carry Strong temperature resistance: heat-resistant and cold resistant, can hold water or beverages with a water temperature of -20 ℃ to 230 ℃, suitable for most dishwashers and refrigerators Widely used: Suitable for cycling, running, going to school, swimming, outdoor and extremes sports, etc., allowing you to hydrate at any time