C6 Paper Envelopes are made with high quality 120gsm paper with a peel and seal adhesive to seal the envelope. The envelopes are 114mm x 162mm. These envelopes can be printed using a laser printer. There are more coloured C6 envelopes to choose from. These colours include Red, White, Blue, Black, Pink, Purple, Green, Yellow, Antique White, Pale Blue & Pale Green. Our C6 Paper envelopes come in packs of 50, 75 & 100. Our envelopes are cheap in price but not in quality or durability.