... kraft envelope , peal & seal envelope,window envelope,Tyvek envelope,red packet,greeting card envelope Gift envelope1.material:80-120g ordinary paper2 ... kraft envelope , peal & seal envelope,window envelope,Tyvek envelope,red packet,greeting card envelope ,food bag,button bags, shopping bags and ... make any kinds of envelopes, CD sleeves, bags, red pockets, ect. Welcome to ask me for details. envelope