This set (4 coasters) of natural agate slice coasters have gold or silver edges for a finished look. Each enchanting natural agate coaster is unique with natural tan on the outside and lighter white swirls of tan and white crystals in the middle._x000D_ _x000D_ These stone coasters are fairly large, measuring from 3 1/2"-4 1/2" inches. They come with optional clear bumpers to protect the agate slice as well as your table. _x000D_ _x000D_ This agate coaster set makes a nice housewarming or hostess gift--or use them during a dinner party for gorgeous table decor.