PLA, or polylactic acid, is a biodegradable thermoplastic made from renewable resources such as corn starch, sugarcane, or potato starch. It is a type of polyester that is produced by polymerizing lactic acid, which is derived from the fermentation of these renewable resources.PLA has gained popular

Chips snack are crispy, what should we consider for their packaging is moistureproof, to protect them avoid turn to soft.A typical potato chip bag is made up of multiple layers.The crinkly shiny lining inside chip and snack bags is made out of mixed material, including aluminum and plastic.Aluminium