Uniware Silicone Pressure Rubber/Gasket (For Uniware Aluminum Pressure cooker [1050-24] 7 LT Alu Pressure Cooker, 1 Pieces) Made of Silicone Forms a pressure-tight seal between the cover and the body of the pressure cooker ONLY fit for Uniware Aluminum Pressure cooker [1050-24] 7 LT Alu Pressure Cooker . There are different types of rubbers, Please make sure you select the correct style and size, thanks. Please measure the INNER diameter of the pot. Do Not measure the diameter of the lid.