Each coaster is printed on 4 x 4 x 3/8 tumbled marble and backed with protective cork. Handcrafted in the USA, our designs showcase the natural elegance and beauty of the marble pieces. Use as a drink coaster, keepsake or durable art piece, these beautiful coasters will protect your furniture from the perils of glassware for years to come. Marble imported from Turkey, designed and handcrafted in the USA.