This Valterra Cable Hatch non-lockable Access Door is made of plastic. Specifications•Compatibility: Accepts Up To 50 Amp Cord•Shape: Round•Diameter: 4.6 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, Medium Round, White