DescriptionStill looking for some multi-function and flexible silicone water bottle sleeves? Want to have some trustworthy and durable heat insulation glass cup silicone covers? If your answer is yes, then our product will be a wise choice. This bottle boot is some non-skid and heat-insulated, made by silicone.Features- Color: White,Grey -Material:Silicone - Size: 7.50X7.50X4.20cm/2.95X2.95X1.65in-Use silicone material, which can withstand high temperature, is safe, and can be used with confidence.-Supple and anti-drop, better protects the bottle or water cup, simple and easy to apply.-Touch with your hands safely because of their mellow and smooth surface design, simple and easy to use.-Flexible design that can be easily applied on the bottle to meet your using needs, wonderful using feeling.-A practical and considerate gift for your families or friends, they will be happy to get this item.