[materials]-The glass cup cover is made of Silica gel, non- and tasteless, reusable and absolutely safe for adults and children. Wear- silicone ensures durability, excellent hand feel and long service life. Easy to clean and can be washed in the dishwasher. [Cute & colorful]-You receive 6 butterfly mug covers in different colors. The butterfly part is detachable, you can DIY and re-match according to your preferences. The quantity is sufficient to meet your , make your life full of color, and keep a happy mood every day. [Size & temperature]-The size of the anti-dust airtight seal lid is 10.3x10cm, which is suitable for cups with an opening diameter of less than 10 cm. The temperature range is -40Silica gel (-40Celsius) to 446Silica gel (230Celsius), no need to worry about the water temperature, please rest to buy and use. [Anti-dust airtight]-The silicone drinking glass cover has good airtightness, can prevent dust and leakage, keep coffee or tea hot and clean, completely isolate air, dust and insects. Comes with a non-slip design to that you stay in place before disassembling them, and you dont have to worry about spilling and falling. [Universal cup cover]-The silicone mug cover can be used for beer mugs and other glasses, coffee, beverage cups or can lids. It is very suitable for holding garden parties, camping, vacations, family celebrations, and it can also keep coffee and hot water warm when you work. If your old mug lid cover is worn or , you can choose our lid to replace it.<br><br>Colour:Blue, , rose red, yellow, green, orange Material:Silica gel Size:100mm x 103mm<br><br>Package Contents: 6 x Silicone Cup Lids(1 for each color)<br><br>Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.