Reminisce on your days at the beach with this set of resin ocean coasters! Measuring 4” x 4”, each coaster is unique and one of a kind finished with a cork backing to ensure protection to any surface. Resin protects against both hot and cold items and is waterproof as well. When not in use, keep these coasters out as a lovely home decor piece! —————————————————— Resin Art Care: I individually craft each piece to be truly one of a kind with the highest quality resin and pigments. Multiple layers of resin create a realistic multidimensional effect that mimics the ocean in all its depths! The resin is cured for minimum 72 hours before being shipped to ensure a strong and long lasting product.