OceanMat Chair Mat for Hard Floor 36"x48" with 19"x10" Lip, OceanMat™ — a line of chair mats made from 100% ocean bound plastic waste, This non-studded chair mat helps prevent scuffs, scratches and other damage to hard floors caused by shoes and chair casters, Made from 100% ocean bound plastic, these recycled chair mats may have a slight tint