Your purchase includes One Mail Boss Package Master Curbside Locking Security Mailbox in Black + Installation hardware | Mount post not included Mail Box dimensions – 21.5" D x 12" W x 16.5" H | Weight – 53 lbs. | Packages – 10.5” L x 3.5” – 4.5” W x 3.5” – 4.5” H | Refer to product pictures for more dimensions Stainless steel hinges and powder-coated finish for optimum weather resistance.Since Mail Boss finishes are more textured than flat, use a soft bristle brush to clean Patented anti-pry latch locking mechanism in a 12- and 14-gauge electro-galvanized welded steel construction Capable of being mounted within a brick column, post mounted individually or in a cluster with the use of a 2 box, 3 box , or 4 mailbox spreader bar