Eco Pultrusions Fiberglass Concave Square Grating 12-Inchx12-Inchx1-Inch Green Color 1-Inch Height by 12-Inch Width by 12-Inch Length ,Green,1-Pack Construction Type:Concave Square surface Easy to cut and installThe Size can be cutted as your requirements. Material:Fiberglass, which has super strong longitudinal strength and very durable with long service time Special Features:Antimicrobial Grit-Top,Slip Resistant,Fire Retardant ,Light weight, Impact Resistance, Electrically and thermally non-conductive