These GoCraft Hammered Copper Coasters are perfect for your Drinks, Beverages & Wine/ Bar Glasses. Beautiful Hammered Copper Design: No need to store them away, leave them for display to be admired. They are handmade and they are padded with cork sheet from the bottom to protect your bar and furniture from scratches. They are easy to clean as well, just wipe them with a damp cloth and leave them to dry.