This Valterra Cable Hatch non-lockable access door is made of plastic. Specifications•Compatibility: Accepts Up To 50 Amp Cord•Shape: Round•Diameter: 5.2 Inch•Length: Not Applicable•Width: Not Applicable•Depth: 2.6 Inch•Color: Polar White•Material: Plastic•With Mounting Hardware: Yes Features Installation Tape & Hardware Built To Provide Exceptional Levels Of Durability | Valterra Cable Hatch, Large Round, White