Detailed Product Description The paper is professional paper,kraft paper ,bamboo paper and recycle paper; The seal is the saliva glue and the paper is 80-120gsm We can produce pocket envelope, wallet envelope, secrecy envelope and window 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 SE-0 176*110 3000 340*365*330 SE-1 220*110 3000 450*340*330 SE-2 230*120 2000 470*255*330 SE-3 230*160 2000 470*330*330