Safety and Reliability: These silicone lids are made of food grade silicone, which is very durable, non-toxic and absolutely safe for adults and children. Wear-resistant silicone ensures durability and excellent feel. The detachable design makes it reusable and flexible. 6 colors and charming: The lid and the handle are available in 6 colors and can be matched according to your taste. Make your life full of color, have a good mood every day. Reasonable Size: 10.5cm diameter can be used for any mug under 9.5cm in diameter. Temperature range from -40C to 230C. No need to worry about the water temperature, use it with confidence. Careful design: excellent workmanship ensures a good seal. Protects from dust, air and leaks, keeps your coffee or tea hot and clean. It can completely isolate air, dust and insects. Removable design, installation is very simple, storage does not take up space. No Spills: These silicone lids are leak-proof, so you don't have to worry about spills and drops. With a non-slip design to ensure they stay in place until you take them off.