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.Specification: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 List:1 x Spring Steel Build Platform1 x Magnetic Rubber PlateNote:The side with PEI is printed upwards. Remove the protective film from the surface before printing.