Finally, after strict quality inspection, qualified microwave popcorn paper bags can be packaged and shipped out to major supermarkets, cinemas, and other sales channels for consumer use.

After completing the above steps, the rolled paper will enter the paper seam bag making machine for bag making. During the bag making process, the machine will cut and sew the paper roll into a complete paper bag according to the preset size and shape.

The design of microwave popcorn paper bags is clever and practical. It is made of special paper material, which can withstand the high temperature of a microwave while keeping the popcorn dry and fresh. The inside of paper bags is usually coated with a special layer of coating, which is used to absorb microwave energy and convert it into thermal energy, thereby quickly heating and bursting corn kernels.