This coaster is made of food grade silicone, it soft and comfortable, the material is healthy and environmentally friendly. It can be washed clean with water or brush, very convenient; high temperature resistance, low temperature stability, silica gel. Have your company logo or custom design imprinted on the surface for maximum brand awareness. Measuring 3.54inches in diameter, this custom anti-scald silicone coaster. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: Portable, durable, practical for daily use.