... envelope. 4.LDPE / HDPE Products: Custom printed a4 self adhesive plastic film mailing envelopes• Suggested applicationsNovelties Clothing & soft goods ... optionsPerfect apperance for mailing items, colour in options - grey, white, black, red, pink, purple, metallic blue, neon green, ... applications.MaterialLDPE or HDPE co-extrusion material, outside-white and inside-grey color, printing on outside, 0 ...