【Good Sealing】The sealing function of the silicone cup lid can prevent the water from splashing even if the cup is tilted. With the principle of air pressure, by gently pressing the center of the lid, it is leak-proof and keeps your coffee or tea hot. 【Safe Material】The silicone glass cover is made of food-grade silicone, it is non-toxic and reusable. Non-toxic and completely safe for adults and children. Temperatures between -40 °F and 446 °F (-40 °C ~ 230 °C). 【Package Includes】6 pieces silicone cup covers in different colors (blue, yellow, green, purple, pink, rose red). Different cup lids can be used to label the cups. Our drinking glass lids are perfect for storing your delicious drink. 【Widely Used】Good at home, office and especially good as a camping cup lid to keep flies, wasps and other unwanted insects away from your drink, and a good choice as an outdoor wine cover. 【Diameter】Diameter of each dust cup cover is about 10cm It is suitable for ceramic cups or glass cups with a diameter of about 9cm. Just wash them by hand or throw them in the dishwasher. Features : -Made of high quality food grade silicone. -Fits most cups, seals perfectly, leak-proof, dust-proof. -Easy to clean, reusable without damage. -Fun and rich pattern to give you a good mood all day. -Keeps your drinking cups and coffee mugs hygienic and clean. -Stop spilling liquids even if the cup is tilted. -Silicone cup lid is reusable and the soft material is easy to clean. -Drinking glass lid is very suitable for parties, families, one person per color. Specifications : Name : Silicone Cup Lid Material: Food Grade Silicone. Features : Leakproof, Dustproof Temperature Range: -40°F ~ 446°F (-40°C ~ 230°C). Color : Blue, Yellow, Green, Purple, Pink, Rose Red. Fit for : Most cups. Package Included : 6 x Silicone Drinking Glass Lids. Notes: 1. It is recommended to use a cup with a maximum opening of 8cm. 2. Please allow small gaps in color and size.