267 manilla board backed envelopes are 216mm x 267mm and are idea for mailing certificates, CDs, photo prints, documents and other items the need protection from corner damage and bending in transit. These envelopes are printed with a “Please Do Not Bend” message on the front and come in boxes of 125. Our board backed envelopes are manufactured with a strong 120gsm manila paper attached to a rigid 1000 micron cardboard backing sheet to prevent folding, bending and corner damage in transit. Strong peel and self-seal closure makes for faster packing and high quantity boxes help them arrive with you in excellent condition, store well for longer and allows you to stock high quantities of document enclosed envelopes in minimal space. Add to basket now and save with our accumulator saver box rates and remember that you can order free samples and try before you buy. If you have any questions then please Contact Us