[UpgradedVersion] Crystal Clear 1/5" Thick 47" x 40" Heavy Duty Hard Chair Mat, Can be Used on Carpet or Hard FloorBrand: MuArts Color: Crystal Clear Features: Specifications: 47inch x 40inch x 0. 2inch (length x width x height), weighing about 16LB. the thickest and heaviest compared to other chair mats of the same size. Dual Purpose: Suitable for carpet or hard floor, it is made of hard material, and it cannot be folded or curled, completely flat, similar to glass chair mat, but more durable heavy duty than glass mat. Transparency: As crystal clear as glass, the