FINISH OR MATERIAL Heavy gauge aluminum construction California residents see Prop 65 WARNINGS LOADING & MOUNTING Depot cabinet can only be used on front-load 4C mailboxes TENANT DOORS Tenant doors include heavy duty cam locks, each with three (3) keys. PARCEL LOCKERS Includes Parcel locker door(s) - a means of USPS package delivery. Dual, captive locking system allows USPS to deliver a package to the locker leaving the key in the tenant's mailbox. Package is retrieved by the tenant and key is retained securely in the lock. OUTGOING MAIL Outgoing mail compartment with slot, anti-fish comb for security, and protective hood is located above USPS access door for convenient outgoing mail collection. DOOR IDENTIFICATION Silver adhesive decals with black numbers 1-9, 1P, 2P are included for door identification.