WASHINGTON D.C. - The nation's second-largest office supply retailer has started selling postal products and services.

Office Depot's all over the country are offering Priority Mail and Express Mail services, Priority Mail Flat Rate boxes, and postage stamps at almost 1,100 of its stores.

The deal between Office Depot and the Post Office have been works for more than a year. This is the Postal Service's first attempt to sell more than postage stamps under someone else's roof.