The product is a set of 4 nFEP film release films specifically designed for 3D resin printers. These films are clear in color and feature a non-stick barrier for easy removal, ensuring a clean finish to printouts. Manufactured by Uniformation, the films are heat-resistant and durable, making them suitable for long-term use. Compatible with Uniformation GK3 Ultra, GKtwo, and GKone resin printers, these 15.4-inch nFEP sheet replacements are ideal for LCD, DLP, and SLA resin 3D printing. With a manufacturer warranty of 1 year, this set of nFEP films guarantees high-quality performance for your printing needs. 3 pieces per roll and that would be 12 pieces.390mm*263mm*0.15mm