Mask the kinds of bags

Due to the particularity of the mask, you must avoid light, and sealing is close friends certainly, so the bags can only be used as the mask to produce aluminum foil bag. Due to different manufacturers therefore need to face film print on the packaging and product related introduction and company information, so you need to build the mask bag. On the market often see all kinds of face film bag, open the mask bag as you can see there is a layer of material, reflective material is aluminum foil, aluminum foil is an essential part of face film bags of a material is the only containers that can hold the mask material.