Medium 11.25

Medium Flat Rate Boxes
11″ x 8-1/2″ x 5-1/2″ Inside
11-1/4″ x 8-3/4″ x 6″ Outside
13-5/8″ x 11-7/8″ x 3-3/8″ Inside
14″ x 12″ x 3-1/2″ Outside