36 x 24 x 1" White Jumbo Fold-Over Mailers $2,722.72 36 x 24 x 1" White Jumbo Fold-Over MailersThese one-piece Jumbo Fold Over Mailers are great for oversized flat items like portfolios, maps and blue prints.Mailer fully opens for easy packing. Simply lay product on the flat mailer, fold in and seal with... Add to Cart