About this item 9×12 Envelops You will receive 25pack 9×12 inches large brown mailing envelopes. Designed with self-sealing and pre-folded closure, perfect for mailing catalogs, important papers, business documents, brochures, booklets or storing receipts, magazines, photos and more. Self Adhesive Seal The manila envelopes have a Release & Seal peel strip, just pull the paper strip and press down to get an effortless mailing, no moisture required. Also, the strip has a strong, secure and long-lasting adhesion that prevents the contents from falling off during transit. Sturdy and Reliable Made of brown kraft paper, without folds or creases. Perfect for obscuring sensitive information and protecting critical documents, refusing to leak, it is the ideal secure business mailing. Printable Friendly Try to address our catalog envelops with your laser or inkjet printer. You can print addresses, shipping labels, letters and graphics on envelopes without worrying about smudging or jamming. You can also DIY catalog envelopes as you ideas. Widely Used Sufficient number of mailing envelopes are convenient for bulk mailing and daily business use, which can be widely applied to most occasions, such as school, office, home etc., and provide security for your mailings, storage and transportation.