It is USPO approved and has a one year guarantee on workmanship. The Ultimate sports fan gift! Constructed of high impact polypropylene, that is as durable as a real football helmet. Easy to mount on any standard mailbox post. Minor assembly required. 18.875" x 8.25" x 20.5". Shipped direct from manufacturer, allow two to three weeks for delivery. Please Change Shipping Price to $10 when you are checking out. $68 + $10 = $78.00.