Liner For: 90mm Petri Dish MATERIAL: 7.5 mil Teflon® or Norton® FEP Film Chemically inert, non-stick, and non-wettable Petri Dish Liners made of Teflon® FEP Film are perfect for cell culture applications that require reduction and elimination of cell loss do to FEP non-wettable characteristics. Cells can be easily cultured because they won't stick to the Teflon® film surface. FEP Liners are ideal for contamination-free biological applications. Features an inert, nonstick, noncontaminating surface that is autoclavable. For more information on Petri Dish Liners Made With Teflon® FEP film please visit Welch Fluorocarbons Labware page.