Safety & Healthy: Made of food-grade silicone, this foldable water bottle poses no health risk and is not recommended for liquids above 60 °C to avoid burning your hands. Foldable Design: The 500 ml water bottle is only 4.1 inch when fully folded and 9.8 inch when unfolded. Leak-Proof and Easy to Clean: The travel water bottle is designed with a silicone seal to prevent leaks. The wide mouth design makes the collapsible water bottle easier to clean and convenient for making flavoured drinks. When using for the first time, it is recommended to soak it in boiling water for 20 minutes to clean it thoroughly. Love Drinking More Water: The Newthinking Collapsible Water Bottle is available in different colours for kids: blue, pink and rainbow.The large 500 ml capacity bottle keeps kids hydrated throughout the day. Meets Multiple Needs: The Newthinking collapsible water bottle is compact and lightweight, making it perfect for outdoor activities, travelling and everyday use. It meets the unique needs of travellers, adventurers, outdoor enthusiasts including cyclists, hikers, campers and others.