Material: Our cup sleeve are made from silicone. , durable and unbreakable. Amazing feel for your hands and a totally cool grip Good insulation: The glass bottle sleeve can protect the glass body against hot. Flexibility and remark resistance to heat or cold Easy to Clean silicone bottle sleeve for easy hand washing, dry much quicker. Unlike feather or nylon brushes, it won't be stained Multi-application: Portable bottle sleeve is suitable and very convenient for indoor and outdoor use, such as camping, swimming, diving, fishing, and other activities Dishwasher safe. It has excellent anti-skid property. Silicone material making it superbly comfortable to hold. These lightweight, cushy, drink sleeves are a personal style for each people. Enhanced rigidity on sides allows for better grip and insulation. It is very convenient to use it in our daily life for cups. It can be withstand temperature from the lowest -40 Degree Celsius(-40F) to the highest 230 Degree Celsius(446F). Specification: Size: 7.5 cm inner diameter, 8 cm outer diameter, suitable for the diameter of 7.5-7.7 cm cup Weight: 24g/pc Color includes: red, transparent, blue, white, orange, green, peacock blue, black, gray Package includes: 3pcs * cup sleeve Notes: 1.The colors may have difference as the different display, please understand. 2.Please allow 1-2mm error due to manual measurement, please make sure you do not mind before you bid. 3.Cup sleeves only, cups are not included here.