Blue Summit 9” x 12” Self-Seal Rigid Document Mailers Stay, 100 Pack of Flat White Cardboard Envelopes, “Do Not Bend”, 100 Mailing Envelopes for Businesses

100 pack of 9 x 12 inch Fiberboard Rigid Mailers with “DO NOT BEND” printed on the envelope. Strong adhesive on the peel and seal flap eliminates the need for extra glue or water. Features a tear strip design for easy opening. Made of 450gsm fiberboard helps prevent mailing contents from bending. Ideal for photos, art, certificates, A4 documents, catalogs, booklets, CDs and more. Perfect for mailing documents, photos, and other soft goods. Ideal for post offices, shipping companies, packaging suppliers, online stores, and personal use. Protect your important documents, photos, and artwork with our 100-pack of 9 x 12 inch Fiberboard Rigid Mailers. Designed with a sturdy 450gsm fiberboard, these mailers ensure that your items stay flat and secure during transit. The “DO NOT BEND” message is printed directly on the envelope, giving you peace of mind that your contents will be handled with care. The convenient peel-and-seal flap provides a strong, hassle-free closure, while the easy-to-use tear strip makes opening simple. Perfect for everything from photos and certificates to catalogs and CDs, these mailers are an essential tool for anyone who needs to ship items safely and professionally. Whether you’re a business or just need them for personal use, these mailers are the ideal choice for keeping your items safe in the mail.