Radial Chair Mat for Low to Medium Pile Carpets Radial Chair Mat for Low to Medium Pile Carpets The Diamond Difference Unmatched clarity, unique textureallows floor to clearly show through, yet hides scuffs from chairs and shoes User friendly cleatsrounded for easy handling Environmentally friendlycontains no cadmium or other heavy materials Manufacturers lifetime limited warranty: if for any reason you are not satisfied with your chair mat, just call the toll-free number affixed to your chair mat Contemporary, contoured shape adds 5%-10% more usable area than standard mats. (Can not ship UPS.) Overall Size 37 x 50 Lip size: 20 x 11. Shpg. wt. 11 lbs. Clear