GC1M Features: -Mailbox and post combo.-Slides over a new or existing 4" x 4" post (not included).-Large enough to allow magazines to lay flat.-Rear door for safe mail retrieval, keeping children and adults away from traffic.-Install quick and easy.-Built-in compartment for newspapers or small parcels.-Made in the USA. Construction: -Virtually indestructible double-wall plastic construction. Color/Finish: -Finish: Mocha. Dimensions: -Dimensions: 12.44 - 36.75" H x 15.19 - 36.75" W x 12.44 - 15.19" D.