Our Mini 6.5 X 10cm Kraft Envelopes are made with high quality 120gsm paper with a peel and seal adhesive to seal the envelope. These envelopes can be printed using a laser printer. Our Kraft paper envelopes come in other sise C5, C6, DL & Small 8.5 x 11cm and come in packs of 75, 50 & 100. Our envelopes are cheap in price but not in quality or durability.