Each coaster has a lip to prevent condensation from rolling onto your table. Care Instructions: To clean, wipe with a wet, soft cloth. It is not recommended to place cups with boiling water temperatures directly on resin. Coffee or tea with milk added will be safe for placement directly on resin surface. Heat rating of resin is 146 degrees Fahrenheit. Boiling water is 220 degrees Fahrenheit. Do not leave coasters in direct sunlight for an extended period of time. Sets of 2.
