Hard Cardboard Backed 'PLEASE DO NOT BEND' Envelopes C4/C5/C6 Manilla for Office
A4 / C4 size: 324 X 229mm approx. A5 / C5 size: 229 X 162mm approx. A6 / C6 size: 162 X 114mm approx. Peal & Seal: Simply remove the strip and press the flap down to seal.