Triplast 10 x A3 C3 Manilla Hard Board Back Envelopes (457x324mm) Cardboard Backed with Peel & Seal Strip Rigid Do Not Bend for Mailing Posting Shipping Storing Documents

Ensure your important A3 documents and flat items arrive in perfect condition with the Triplast Manilla Hard Board Back Envelopes. This essential pack of 10 provides maximum protection for mailing certificates, contracts, artwork, photos, and sensitive legal documents.Constructed from a heavyweight 120gsm kraft paper front and a rigid 1000-micron solid board back, these envelopes are designed to keep contents flat, crease-free, and completely safe during transit. A bold red “Please Do Not Bend” warning is printed on the front to clearly communicate careful handling to postal services. Lightweight yet exceptionally sturdy, the design helps to minimize postage costs without sacrificing any durability.The convenient peel-and-seal adhesive strip enables a fast, secure, and mess-free closure, eliminating the need for extra tape or glue. The smooth kraft surface allows you to either handwrite addresses directly or apply a label for a professional presentation.As an eco-conscious choice, these envelopes are made from 100% recycled material and are fully kerbside recyclable and biodegradable. Get superior protection and a sustainable solution for your crucial mailings.