Feature 1 Spring Steel and Magnetic Base: PEI build plate is made of spring steel with a strong magnetic base, which is glued to the build board by tearing off the backing paper and then lining up the plates. 2 Strong Compatibility: PEI spring steel platform is 220x320mm or 9x13in, suitable for Voron and other models. Can make your printer and platform is compatible perfectly. 3 Double Sided Printing Support: PEI spraying spring steel platform is double sided, and both sides can be printed, just put on the hot bed, tear off the protective film directly printing, no glue needed. 4 260 High Temperature Resistance: Good flatness, PEI spraying spring steel platform is with 260 high temperature resistance, no deformation. 5 Flexible and Removable: The PEI material of this 3D printing build magnetic plate makes your print easily adhere to the print surface, flexible, and detachable.Item Type: Magnetic Spring Steel Plate PlatformMaterial: PEI Spraying Powder, Spring Steel, Soft MagnetSize: Approx. 220 x 320mm / 9 x 13inUse: Good 3D Printer Accessory ToolPEI Spraying Thickness: Approx. 0.25mm / 0.01inSpring Steel Plate Thickness: Approx. 0.4mm / 0.02inMagnetic Rubber Plate Thickness: Approx. 1.2mm / 0.05inOverall Thickness: Approx. 2mm / 0.08in Package List1 x Spring Steel Build Platform1 x Magnetic Rubber PlateNoteThe side with PEI is printed upwards. Remove the protective film from the surface before printing.