Stainless Steel Door Mail Slot (front & rear pieces), Letter Box Plate Compatible With Any Door Type, 13 in. W x 4 in. H Steel Mail Slot: Heavy-Duty stainless-steel construction provides strength, durabilty and stability with Non-Locking security Slot & Mailbox Dimensions: 13 in. W x 4 in. H slot and 8 x 8 x 17 Inches Mailbox dimensions Door Dimensions: 10 in. W x 2 in. H Weather Resistance Mail Slot: Designed for Mail Slot use for Rust, corrosion and weather resistance and long lasting Easy Installation: Easy to install, mail slot sleeve sold separately