Plymor 2″ x 3″, 4 Mil Flat Open Clear Plastic Poly Bags

What is a Mil?. “Mil” is the plastic thickness. 4 Mil =. 004″, thicker than a standard freezer bag and excellent for heavy duty applications. MATERIAL: 4 Mil (.004″ thick) transparent polyethylene (LDPE), FDA food storage compliant.