C Envelope Paper Sizes
Envelopes designed to hold ISO 216 'A' series sheets. For instance, a C4 envelope fits an A4 page flat, and a C5 fits an A5 page (or an A4 folded in half).
Envelopes designed to hold ISO 216 'A' series sheets. For instance, a C4 envelope fits an A4 page flat, and a C5 fits an A5 page (or an A4 folded in half).