Package Gusset envelope for book

{"cid":"79208","pid":"18208971","pimg_url":"\/\/img1.b2bforus.com\/8b\/cc\/825745dcffc3\/product\/56331198_s-w400xh400.jpg","name":"Wholesale Business Envelope Self Seal Gusset Kraft Paper Envelope For Documents","attrs":{"Price":"$0.99(100 - 4999 Pieces) $0.18(5000 - 9999 Pieces) $0.11(>=10000 Pieces)","MOQ":"100 Pieces","Delivery Time":"Negotiable","Brand":"Weihua, Kraft envelope with gusset"}}

{"cid":"79208","pid":"18208966","pimg_url":"\/\/img1.b2bforus.com\/8b\/cc\/825745dcffc3\/product\/56331176_s-w400xh400.jpg","name":"Hot Wholesale Recyclable Logo String Tie Customized Envelope Recycled Fashion Gusset Washable Sale Kraft Paper With Button Closure","attrs":{"Price":"$2.00(1000 - 4999 Pieces) $1.50(5000 - 9999 Pieces) $1.00(>=10000 Pieces)","MOQ":"1000 Pieces","Delivery Time":"Negotiable","Brand":"WH"}}

{"cid":"79208","pid":"18208962","pimg_url":"\/\/img1.b2bforus.com\/8b\/cc\/825745dcffc3\/product\/56331150_s-w400xh400.jpg","name":"Wholesale Customized Recyclable Logo Paper Twine Tie Envelope Recycled Fashion Gusset Washable Packaging With Button Closure Twine Envelope","attrs":{"Price":"Negotiable","MOQ":"1000 Pieces","Delivery Time":"Negotiable","Brand":"WH"}}