... floor protector 2non-toxic,enviormental 3protect floor from wheel nick 4dif.thickness&size 5use-in office home pp chair Mat floor ... protection mat,PP material for hard floor protectingSize:900x1200mm,914x1219mm,1000x1300mm,1000x1200mm...Thickness ... 2.0mm,2.5mm,3.0mm...hard floor chair mat,non-toxic,enviormental, floor / carpet protecting,different thickness&sizes, ...