Black mailers look elegant - almost dramatic. They are used for shipping smaller items safely. The freight carrier will notice a black bubble mailer. The black envelopes are from the brand Propac. We have them in stock in two sizes; Size C5 that fits A5, and C4 that fits A4 paper. These are practical sizes that can be used for shipping samples, accesories and cataloges. Your customer will have aunique experience when recieving the black bubble bag. Our black bubble mailers are FSC certified which is labelled on the mailer. You can use stickers and selfadhesive freight notes on the paper. The inner linig is made from protective bubble wrap.