Features: brand new and high quality Easy to adhere to the printing surface, easy to remove the prints, flex slightly to show your print right off repeatedly, resistance, durable. Print directly on to PEI surface without the need for additional adhesives, tapes, or slurry. Flexible, removable, can stick to magnetics very well. High strength and heat resistance. Easy to get the first layer even for a new user. Free clean- just flex the plate a little then take the prints off after cooled. Specifications: Item Type: PEI Steel Sheet Model Number: PEI Application: 3D Printer Bed Features: flat & flexible & Removal Size: Approx 310X310mm / 12.2X12.2in 780g/1.73lb 235X235mm/ 9.25X9.25in 450g / 1.0lb 220X220mm/ 8.66X8.66in 390g/0.85lb Package Includes: 1 Piece PEI Steel Sheet 1x Magnetic Base note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.