Plymor 2″ X 3″ (100), 3″ X 4″ (100), 4″ X 6″ (100), 4 Mil Variety Pack Heavy Dut
Learn how easy they are to open and close, with a durable design. What is Mil?. “Mil” is the plastic thickness. 4 Mil =. 004″, thicker than a standard freezer bag and excellent for heavy duty applications.