Office Depot Brand White Jumbo Fold-Over Mailers, 30in x 22 1/2in x 1in, Pack Of 20

Great for posters and portfolios, these mailers make it simple for you to send oversize items. Rugged corrugated construction stands up to the rigors of transport to protect the contents inside. Made of sturdy 200-lb ECT-32-B corrugated material to protect delicate items during transport. Great for oversized flat items, such as portfolios, maps and blue prints. Mailer fully opens for easy packing. Simply lay product on the flat mailer, fold in and seal with tape (not included).