PLEASE DO NOT BEND HARD CARD BOARD BACKED ENVELOPES BROWN MANILLA C6 C5 A5 A4 A3
C5 / A5 SIZE, 229 X 162MM. C6 / A6 SIZE, 162 X 114MM. C3 / A3 SIZE, 457 X 325MM. C4 / A4 SIZE, 324 X 229MM. These envelopes are Peel and Seal unlike others which are Self Seal!