Protect delicate surfaces like dining tables, end tables, night stands or bar top from drink ring stains; hefty coaster Weight means it won't stick to your glass or cup Non-slip back – each Highly polished marble Coaster is lined with non-slip cork backing to protect furniture from scratching and provides a non-slip surface so you don’t have to worry about them slipping off the table Stunning 100% Genuine marble - these coasters are handmade of 100% natural White marble with grey veining so each one is unique; The perfect compliment to your library, bar, dining Table or living room Versatile - These coasters are made of high quality and polished marble, measure 3. 5 inches in diameter and will comfortably hold any wine glass, cup, or mug Perfect gift This set of real marble coasters makes the perfect wedding gift idea for your loved ones. Break out for birthdays, Mother's day, anniversaries, and more! Easy to clean - wipe using a damp cloth or hand rinse using mild detergents and water