Made of High-impact and non-corrosion White Polypropylene. It's also UV-stabilized to minimize degradation from prolonged sunlight exposure. Designed to withstand rough weather conditions
Outside Dimensions: 20-3/8" x 18-1/16" (518mm x 459mm).
Inside Dimensions: 17-1/8" x 15" (435mm x 381mm).
Cutout: 17-1/4" x 15-5/16" (438mm x 389mm).
Low Profile at 11/16" (17mm) above the mounting surface.
Intrusion below deck: 1" (25.4mm)
The reinforced ribs make it capable of being stood or walked on for long periods. The low profile minimizes the chance of it being a tripping hazard so it's great for use in a high-traffic area. Anti-slip/non-skid surface to avoid slippery situations
Hinge offers a 180 degrees lid opening. Water-tight, Black rubber seal ensures weatherproofing