Thirstystone Coasters are a beautiful functional home decor accent that bring a natural element into the home. Each set of four coasters is made in the U.S.A. cut from natural solid sandstone and comes in a sturdy two-part gift box. Thirstystone Coasters are true Made in America Products. The coasters are printed with a patented process that allows liquid to absorb through the ink. The artwork will not rub off. Thirstystone coasters are stain resistant and can be used to effectively absorb drips from your drinks for years to come. Each coaster measures 10.2cm in diameter.