Specs: Width: 4 ft Length: 4 ft Thickness: 1.5 inch Sq. ft: 16 Usable surface area: 13.5 ft Weight: 50 lbs mpression strength: 450 psi Max wheel load: 300 psi Max allowable deflection: 3 inch Surface Dimensions: 4 ft x 4 ft, 1.22 m x 1.22 m Height: 1.5 in., 38.1 mm Net Worit Surface per Truck: [Based on GVR rating of 80,000 lbs.] 11,340 ft, 21,054 m2 HDPEpping and Storage: [Max pallet