Modern and stylish, these personalized glass coasters have a classic appeal. They make the perfect gift for treating others or yourself! Feature clear protective pads attached to the bottom of each corner to guard surfaces from any damage. Sold in sets of four. Details: Size: Measures 4" x 4" and are 3/16" thick. Materials: Clear glass with protective padding Engraving Options: The Personalized Glass Coasters may be engraved with a single, uppercase script initial at No Additional Charge.