PLA stands for Polylactic acid and it is the chemical name of a plastic made from corn. PLA is a biodegradable plastic and it is a highly transparent and stiff plastic. PLA plastics look and act like the traditional petroleum base plastics (PS, PP and PET) but the environmental impact is much less negative. PLA plastic can be processed on any standard vacuum form equipment. Post-processing like cutting, printing and hot sealing can be done very well.