Question: how thick are plastic bags?
Answer: A Mil is a unit of measurement used to measure the thickness of film plastics in thousandths of an inch: 1 Mil=1/1000 inch. For reference, a thin plastic shopping bag is about . 5 Mil, a bread bag is about 1.5 Mils and a thick, retail plastic shopping bag, like you'd get at clothing or shoe store, is about 2 Mils.