Material: white card paper, flipchart paper bag, bond paper paper bags, kraft paper bag, and a small number of special paper.
White paper: white paper strong and thick, has a higher stiffness, bursting strength and smoothness, paper formation, commonly used thickness is 210-300 grams of white cardboard, with up to 230 white card. White cardboard printed paper bags, full color, texture of the paper is also very good, is your first choice for custom.
By bag edge: open seam bottom bag, open bonding corner bottom bag, valve sewing bag, valve flat hexagonal end type of bottom gluing bags four kinds of paper bags.
Handle: NKK (perforated DrawString), NAK (no holes, corded, divided into standard has no mouth fold and fold shape), DCK (Cordless Pocket Hole handle), BBK (the tongue rather than punch).