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

A MAILING ESSENTIAL: Pack of 10 x C3 rigid mailers designed to contain unfolded A3 paper (or A2 paper folded in half) - perfectly sized for posting & storing flat posters, artwork, sketches, paintings, blueprints, calendars & legal documents WILL NOT BEND: 120gsm kraft paper front & 1000 micron board back construction offers all-round protection & rigidity to keep contents flat, crease-free & safe. "Please do not bend" is printed in large red font on the front to caution all handlers. QUICK, EASY & SECURE: Built-in peel & seal strip reduces packing time & cost by providing a strong & hassle-free seal while also offering extended shelf-life over self seal envelopes - just remove the strip & press the flap down to seal! SAVE ON PACKAGING & POSTAGE: A more cost-effective & waste-free alternative to all board envelopes, these light yet sturdy card backed envelopes are also cheaper to post. You may write on them directly to eliminate the need for extra address labels. AN ECO-CONSCIOUS CHOICE: Made from 100% recycled material, fully kerbside recyclable & biodegradable - these hard back envelopes are a plastic-free, sustainable & environmentally conscious packaging choice for office, school & home use.

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.