Manufacturer Part Number: 558.78X18X18CH|Mat Type|Open GridEdge Type|Traffic Type|Heavy-DutyBase Material|VinylSurface Material|Material Composition|Width (Inch)|18.0000Dry/Wet Environment|Dry; WetSurface Style|Raised GridDrainage Holes|YesGrit Coating|NoThickness (Inch)|7/8Includes|Features|Standards|ASTM F1677Series|558Number of Interlocking Sides|4Male or Female Connectors|Male & FemaleRamp Edge Sides|For Use With|EPP GSA Codes|AQ - CPG(Comprehensive Procurement Guidelines)Length (Decimal Inch)|18.0000Product Service Code|UNSPSC Code|52101510