Colour: Anthracite Grey. Material: Steel, Copper Lock Cylinder. Product Size: 11 x 37 x 37 cm (D x W x H). Product Weight: 2.5 kg. Package Contents: 1 x Mailbox. 2 x Key. 4 x Screw. 4 x Expansion Bolt. 4 x Rubber Spacer. SONGMICS Notes: For long periods of service, it's recommended to mount the mailbox under an eave or other protected area.