241 manilla board backed envelopes are 178mm x 241mm and are idea for mailing photo prints, certificates, CDs, documents and other items the need protection from bending and corner damage in transit. These envelopes come in boxes of 125 and are printed with a “Please Do Not Bend” message on the front. The envelopes themselves are manufactured with a strong 120gsm manila paper attached to a rigid 1000 micron cardboard backing sheet which prevents bending, folding and corner damage in transit. Secure peel and self-seal closure makes for faster packing and flat packing in high quantity boxes helps them arrive with you in excellent condition, store well for longer and allows you to stock high quantities of board backed envelopes in minimal space. Order today and save with our accumulator saver box rates, free samples can also be ordered should you wish to try before you buy - if you need any help then please Contact Us