This utility model relates to plastic matting that include a rectangular-shaped panel having a top wall provided with a slotted surface, a plurality of spacedly disposed intermediate leg members integrally connected at the bottom of said slotted surface, and spacedly disposed integrally connected corner and side leg members peripherally provided at the transverse and longitudinal edge portion of said slotted surface characterized in that, said corner leg members each being provided with opposed triangular shaped integrally connected stiffener members, while said side leg members are each being provided with an opposed an L-shaped stiffener members and a broad L-shaped integrally connected stiffener member in between, for avoiding unwanted sagging of these corner and side leg members when placed by heavy loads.
