Product Description & Specifications: Colorful & Exquisite DesignYou will get 6/8 different color cup lids. The lids color are bright and pretty, the Jewel acrylic knobs are sparkly and attention-grabbing. Perfect for home, office and especially good as a camping cup lid to keep flies, wasps, and other unwanted bugs out of your drink and good choice to be a outdoor wine cover. one person a color, can clearly distinguish their own use of the cup. The knob on the lid makes it easy to remove or close the lid, giving your mug character and distinguishing it from your friends' mugs. Silicone Cup LidThis silicone cup lid is made of food grade silicone, and the knob is made of BPA free acrylic. Odor-free, durable, reusable, and non-toxic. Just wash by hand or throw in the dishwasher. Perfect Size & Temperature Range8pcs: 10,5cm in diameter, 6pcs: 11cm in diameter. suitable for all types of cups with a diameter of less than 10cm/3.94". Our silicone glass drink covers can handle the extreme temperature from -40~480 F(-40~230 C). Can be used in microwave, refrigerator or oven. But Please note that you must take off the diamond part from the lids when put the whole lids to microwave or oven. Airtight Lid & Keep Warm/ColdSeals tight on all smooth rims like cups, mugs and glasses, prevent from dust, airtight and leak proof. The cup covers silicone prevents liquid 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 coffee cup lids help maintain the temperature, freshness, and flavor of your cup's contents. Satisfaction GuaranteeWe offer 30 day money back guarantee. We love to help our customers and are dedicated to ensuring your questions are answered and youre completely happy with your mug cover. 100% Satisfaction Guarantee. Specification: Material: Silicone Size: 6pcs: diameter: 11cm, 8pcs: diameter: 10,5cm Weight: 6pcs: 125g, 8pcs: 205g Scope of delivery: 6/8 * Silicone Cup Covers Notice: 1. please allow 1-3mm error due to manual measurement. 2. please forgive any colour differences in the pictures due to different monitors.