uxcell Clear Rubber Pressure Cooker Replacement Sealing Gasket Ring 28cm Dia. Made from food grade Silicone Rubber. Forms a pressure tight seal between the cover and the body of the Presto pressure cooker. See a full list of Presto pressure cooker models this replacement part fits below. Inner/Outer Diameter: 28 x 29cm/11" x 11.4"(Inner D*OD) Fit for: Pressure Cooker.