Various shades of grey are combined to create a pattern evocative of a dramatic moonscape. Each Shore Rug is super supportive and highly textured, providing a one-of-a-kind massage-like experience. ​The pure silicone material of which Shore Rugs are made is not only completely non-toxic (silicone is often used in cooking and medical applications), it is also exceedingly durable and ​will not degrade or lose its spring-back. Moonwalk's various shades of grey are combined to create a pattern evocative of a dramatic moonscape.