Our daily production capacity is reached 2 millions for self adhesive envelopes. We are the professional manufacturer by the fast delivery & the cheapest price. Specification Top Layer - Clear LDPE 45 micron Bottom Layer - Clear LDPE 30 micron Adhesive - 20 GSM Hopt melt Release Paper - 55gsm clay coated bleached white Kraft Plain - PE-LD Re-cycle Logo only Printed - Red & Black 15% ink coverage Size Internal Dimension (mm) External Dimension (mm) C7 113 x 100 123 x 110 C6 165 x 122 175 x 132 C5 225 x 165 235 x 175 C4 328 x 235 338 x 245 DIN Long 225 x 122 235 x 132