Specification: Item Type: Cup Lid Material: Silicone Size: Diameter: Approx. 10.5cm/4.1in Gross Weight: Approx. 57g/2.0oz Package List:1 x Lid Note:Please allow some errors due to manual measurement. Features [PREMIUM MATERIAL] This silicone cup lid is made of food grade silicone, which is odorless, durable, reusable and non toxic. Just hand wash or throw in the dishwasher. [HIGH TEMPERATURE RESISTANCE] This silicone glass beverage lid can withstand extreme temperatures of ‑40~480 F (‑40~230 C). Can be used in microwave, refrigerator or oven. [LEAKPROOF] Dustproof, sealed and leakproof. The silicone lid prevents liquids from spilling out of the cup when you are working or in a moving vehicle. [PRESERVES FRESHNESS] Silicone coffee cup lids help maintain the temperature, freshness and flavor of hot coffee, soup or iced tea in the cup. [APPLICATIONS] Ideal for home, office, especially as a camping cup lid, it can keep flies, wasps and other pests out of your beverages, a good choice for outdoor wine lids.