Product Details: #3 9 x 11.5 Rigid Paperboard Mailer 100/cs

These 9" x 11.5" Rigid Paperboard Mailers provide sturdy, bend-resistant protection for shipping documents, photos, artwork, certificates, and other flat items. Made from durable, heavy-duty paperboard, they feature a secure self-sealing adhesive flap and a clean, professional look. Ideal for offices, photographers, artists, and online sellers, these mailers ensure contents stay flat and intact during transit.