Vinyl coated material reinforced with radio frequency-welded, high visibility yellow runway strips that withstand drive-thru traffic, including backhoes and skid steers Removable foam inserts of 102mm (4 in.) diameter, supports sidewalls and planks (203W x 51mm H) slide into pockets to keep end walls elevated to prevent wastewater from escaping during drive-over Foldable to compact size after removing foam inserts Two 1 in
NPT fittings on each side of berm for drainage Brass grommets around perimeter enables securely anchor berm during use Compliance Comply with EPA for stormwater regulations.