This set (4 coasters) of agate slice coasters has gold or silver edges for a finished look. Each agate coaster is unique with a beautiful teal blue on the outside and a lighter white swirl of blue and white crystals in the middle._x000D_ _x000D_ These stone coasters are fairly large, measuring from 3 1/2"to -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.