Slate Coasters | River Rock - Set of FourBring nature into your home decor with this beautiful, hand-crafted coaster set. Natural slate stone is hand etched with a river rock design and bordered with a copper mine patina. Each coaster has cork feet to protect table surfaces. These coasters can also be used as decorative tiles in your kitchen, bath or around a fireplace. The slate is individually hand split to reveal the natural cleft and warm earth tones. No artificial resins are used allowing the natural color and texture variations to reflect one of a kind pieces of functional art. Set of four. The coasters measure 4" x 4". Made in the USA.