Material: Food grade silicone Note: 1. Wash with detergent or warm water before use. 2. Do not place this product directly on an open flame to avoid deforming the product. 1). Silicone Coaster Set - This set contains 8 coasters made of high quality black silicone. 2). High quality - Each glass coaster set is made of BPA-free, pollutant-free, food-grade silicone, is dishwasher-safe, easy to wash by hand, heat-resistant and quick-drying. The soft silicone itself does not scratch the table or the bar, so you can use it of course. 3). Easy to clean - These coasters defy the ravages of timeThey are heat-resistant, stain-resistant and machine washable at 30 degrees. You can wipe them clean or clean them briefly under the tap. 4). Protect your furniture - Our cup coasters have a raised edge that prevents liquid from dripping from the mat and helps hold the glass or cup in place. 5). For all occasions - Coaster set is perfect for parties, home and indoor, the garden or the office and much more. They are light and can be easily stowed away when not in use. Package content: 5pcs silicone coasters