... Bubble lining for effective air retention and consistent cushioning3) Strong paper exterior for premium appearance, excellent for printing, labeling, franking ... national patent7) Variable Sizes Available from#000-#7 and #CD #DVD8) Multi-functions for mailing and packagekraft bubble mailer ... bag bubble envelopeRemarks: i. be used to post tape, CD, camera lens, film, certificate, IC card, mini-type ...