The main materials of paper bags are white cardboard, kraft paper, black cardboard, copper cardboard and special paper.
You can choose the material according you prouduct, usually our client would choose kraft for food bag.If you need those bags for high level product that luxury shopping paper bag with logo must be a good choose.
1.The advantages of white cardboard: solid, durable, good smoothness, rich and full printing color, paper bags commonly used 210-300 grams of white cardboard, often used 230 grams of white cardboard.
2.Material characteristics of copper cardboard paper: whiteness and gloss are very good. When printing, it can make pictures and pictures reflect three-dimensional sense, but its firmness is not as good as white cardboard. The thickness of copper paper used in paper bags ranges from 128 to 300 grams.
3.The advantages of kraft paper are: high toughness and firmness, not easy to tear, kraft paper is generally suitable for printing some monochrome or colorless double-color paper bagsUsually used size is 120-300 g
4. Black cardboard’s advantages: solid and durable, color is black, because black cardboard itself is black, its biggest disadvantage is that it can not print color, but can be used for bronzing, silver stamping and other processes.