Material: Made of 100% food silicone, free, durable, non-toxic, reusable and safe. Reusable and washable, can be used in oven, oven, refrigerator, perfect for any place use. Silicone Cup Dimensions: 10 cm/ 3.9 inch in diameter. Temperature: -40~250 degrees(Centigrade) Anti-dust and anti-slip, keep your drinking cups and coffee mugs hygienic and clean. High quality cup whith lovely bow, 6 different colors to match your favorate mugs and cups. Keep drinking stay warm for much . Works great with coffee, cocoa, and hot , too. Seals on all , prevent from dust, airtight and leak proof, keep your coffee or tea hot. colour: Multicolor Package Contents: 6 * silicone cup Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.