50 - 9.75 x 12.25 Rigid Photo Mailers Flats By ValueMailers Protect important items with these rigid and durable cardboard mailers. High point paperboard for a rigid and clean white appearance. Perforated tab and tear system that saves you time in retrieving your item Reduces shipping costs by eliminating carton filler & reducing labor. Multi-functional, expands to accept varying contents & weights.