Water Filled Drain Cover Seal Color Black Dimensions 30 in L x 30 in W FDA Regulation Not Certified Fire Retardant No Flame Resistant No For Max Drain Size 18 in L x 18 in W Length 30 in Material PVC Coated Fabric Reusable Yes Seal Type Water Pressure Series Water Filled Drain Cover Shape Square Thickness 1 in UV Resistant Yes Width 30 in