Airmail envelope Detailed Product Description The paper is professional paper and recycle paper The seal is the saliva glue or self-seal adhesive and the paper is 80-120gsm We can produce pocket , wallet and diamond and window secrecy envelope according to the clients’ needs. We can design and print the colorful patterns and words according to your requirements. Domestic standard specification: ITEM NO. USABLE SIZE PCS/CTN CARTON SIZE (W*L+LIP)MM (W*L*H)MM AE-0 176*110 3000 340*365*330 AE-1 220*110 3000 450*340*330 AE-2 230*120 2000 470*255*330 AE-3 230*160 2000 470*330*330 AE-4 320*230 1000 470*330*330