100 9" x 12" Rigid Mailers, Self Seal, Do Not Bend | heavy-duty cardboard, stay-flat rigid, peel and seal, protects photos, documents, prints, magazines, cards

Safe Shipping: Do Not Bend Printed on Cardboard Mailers 9x12- No need to label or apply extra stickers, Noticeable red printed warning helps signal care to carriers. Photo Envelopes for mailing are great for sending photos, art prints, certificates, magazine, or other documents. Easy to Use and Permanent Peel & Seal Closure Photo Mailer Quickly and security seal your important mail inside these sturdy paper mailers, which require opening via the durable tear strip Sturdy and durable construction - Made from rigid 450gsm document mailer that measures 1.5 mm thick, your items stay flat with our stay flat mailers along with being secure without bending or folding all the way to their destination
Safely ship assorted size mail: At 9x12 easily fits photos, prints, documents or any items you want to protect in transit such as decals, stickers, CDs, handbooks, catalogs, or even paperback books. Picture Envelopes - Idea for sending mail that needs to stay flat during shipment such as small business, home based businesses, stationery companies, online stores, online sellers, or artists. Rigid Mailer 12x15 as your new magazine mailer