White and Gold Swan Polymer Clay Coaster | Handmade Coaster | Nature Lover Home Decor | Swans | Cozy Home Decor Coasters Handmade Polymer Clay Coaster made with love and care. Each one features 3mm felt bottoms and a polyurethane coating on the clay, allowing them to withstand spills, heat, and cold, while also sitting comfortably on any surface you place your coaster on. This could also make cute trinket, perfume, or jewelry holders. The possibilities are endless. Do not dishwash Coasters are ~4 inches by ~4 inches Because each coaster is handmade, each will have slight differences. Made with love and care in the Pacific Northwest