50” x 60” Waterproof Chair Mat for Hardwood, Office Chair Mat for Rolling Chair, Desk Mat for Hardwood Floor, Floor Mat for Home Office, Anti-Slip PVC Floor Protector for Gaming RoomBrand: KEYDOL Color: Black Features: : This PVC desk chair mat features a diagonal rib weave that offers not only ample stability but also a longer drag and interlacing distance between the patterns. This means less curling, a broader area of force distribution, effectively reducing the unevenness and curling issues around the edges of the computer chair mat The vinyl floor mat protects flooring from scratches and pressure caused by chair