This round silicone coasters are durable, waterproof, non-slip, heat-insulating, reusable and ECO friendly. Slightly raised edge design making the coasters hold excess water or soil spillage, and making the table, balcony or any indoor place where you want to put plant pot keep clean. Washable and easy to clean, stain resistant and quick drying. Heat insulation and can be used for tea cups and prevent cold and hot drinks damaging furniture. 4" D