... ) Finishes: Foil, Holographic, Embossing,UV varnishing,Hotstamping available6) packing:as your request5) With/without Window, gummed/peel &seal.6 ... , please contact us. envelope products Productspeel&seal envelope,gummed envelope,self-seal envelope,packinng list envelope,big size envelope,clasp envelope,window envelope and so on..Materialoffset ... mail. THANK YOU VERY MUCH Kraft Paper Bubble Envelope