A. Material: It is made of 100% food-grade silicone, being environmentally friendly, durable, non-toxic, reusable and safe. It can be reused and washed, and can be used in ovens, microwaves and refrigerators, suitable for various places. B. Silicone cup size: The diameter is about 10 cm (3.9 inches). The temperature range is approximately -40 to 250 degrees Celsius. C. It is dust-proof and anti-slip, helping to keep water cups and coffee cups hygienic and clean. D. Cups come with cute bows and are available in 6 different colors to match different cups. E. It can keep drinks warm for a relatively long time and goes well with coffee, cocoa and hot drinks. F. It is fully sealed, dust-proof, airtight and leak-proof, which helps to keep coffee or tea warm. G. Color: Multicolor. H. Package contents: There are 6 silicone cups in the package. I. Only the above package contents are included, and other items are not included. J. Note: Light and different monitors may cause slight differences between the color of the item and the actual product. The allowable measurement error is around ±1 - 3 cm.