Premium Stainless Steel Mailbox. Made with stainless steel metal, comes with flag, latch and instructions. Post Mount Style, T1 type standard rural mailbox. Size: 19″ deep, 8.75″ tall & 7″ wide (outside dimensions). It has a smooth metal front, back and bottom, front door is stamped with “US MAIL & APPROVED BY THE POSTMASTER GENERAL”. Top curved metal is corrugated for extra strength.