Made of material with heat resistance and cold resistance. Can effectively prevent and stains from entering the cup. Suitable for all kinds of cups, such as mug, cup, ceramic cup and so on. Unique sunflower design, the product looks more beautiful. Small details can make your life full of joy. Features -Color: Assorted color -Material: Silicone -Size: 11x11x8cm/4.32x4.32x3.14in -Safely seal your cups to prevent them from spilling and to keep . Can be used on cups, mugs and bowls. -Keeps hot drinks hot and cold drinks cold. Able to withstand temperatures from -40 degree centigrade to 220 degree centigrade. -The premium silicone material is not easy to deform, but it is easy to wash and dry. -The silicone cup cover prevents drinks from sloshing out of the cup when you're working or in a moving vehicle. -Whether it's hot coffee, soup, or iced tea, our silicone cup lids help maintain the temperature, freshness, and flavor of your cup's contents. Package list: 8 covers