CraftDev Aluminum Wall Mount Suggestion Box/Mail Box/Letter Box The perfect way to lock and secure suggestions, ballots, and mail. Built-in storage compartment for suggestion notes. Top slot fits envelopes and papers up to 5-1/2 inches wide. Built-in lock includes 2 keys and keeps contents confidential. Includes: Mounting screws Wall mount, can be mounted on the wall with 2 screws Includes pen