2 HICTOP PEI Sheets and 2 Magnetic Build Plate. One pei sheet has some plastic debris on it I don't know what it is. is a textured, one-sided PEI sheet designed for 3D printers. This unit includes two spring steel plates with magnets, compatible with the HICTOP PEI model. Made in China, this product is essential for ensuring a smooth and successful 3D printing experience with your HICTOP PEI printer. The magnetic build plate helps the printed objects adhere securely during the printing process, making it easier to remove and finish the prints.