C6 Manila board backed envelopes come in boxes of 250 envelopes and are ideal for A6 sized photos, certificates, marketing materials and similarly sized flat items - remember A6 is A5 folded in half or A4 folded in quarters. A rigid 1000 micron backing card provides a stiff support and tough 120gsm paper keeps the envelope in good condition in transit. These envelopes are also printed on the front with a “Please Do Not Bend Message” to promote good treatment in transit and ensure your items arrive without damage. Peel and self-seal closure makes board backed envelopes fast to pack and high quantity boxes help save space and protect the envelopes on their way to you. 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