40F-1420 4 mil Low Density Flat Bag, 14" x 20", Clear (Pack of 500)$$Other

Elkay Plastics 40F-1420 Low Density Flat Bag 14" x 20" Clear (Pack of 500) 4 mil thicknessYou may also like 3" X 500' 6 Mil Clear Poly Tubing - 2105.