SAFETY & RELIABILITY:These silicone lids are made of food-safe silicone, very hard-wearing, non-toxic and absolutely safe for adults and children Wear-resistant silicone guarantee durability and excellent feel Detachable design makes it reusable and flexible 6 COLORS & LOVELY: The lid and handle are available in 6 colors and can be matched to your liking Make your life full of color, have a good mood every day REASONABLE SIZE: The 4 13 inch diameter can be used for any cup less than 3 74 inches in diameter Temperatures range from -40F(-40 ) to 446F(230), no need to worry about the temperature of the water, use it with confidence No spills: These silicone cup lids are leak proof, so you don't have to worry about spills and drops With an anti-slip design to ensure you stay in place until you remove them