These PFA films are original replacement parts for Elegoo Saturn and Saturn S 3D printers, but are also suitable for other 8.9 inch LCD 3D printers. The PFA films are made of pure, raw materials, which makes them twice as good in performance as FEP films. In addition, the lifespan is 50% longer and can withstand up to 9,000 releases. These PFA films are 260mm x 185mm, 0.127mm thick and come in a pack of 5.