Features: Used for Creativity heating bed 310x3150mm PEI/PEO spring steel plate Double sided PEI spring steel plate (printed on the surfaces of PEI film and PEI/PEO spray surfaces without warping, with strong adhesion and easy removal, supporting double sided printing Achieve high printing precisionand smoothness Spring Steel Plate,ensuring smooth and detailedsurfaces of printed models. Made Spring steel, this plate with excellent strength and wear resistance, providing stability and durability for long term use without deformation or abrasion during the printing process. For 3D printing enthusiasts, this product enhances the quality of printsand allows for various material experiments, catering to different needs and requirements Specifications: Item: Hot Bed Platform for 3D Printer Size: approx 310x315mm/12.2x12.4in Material: Steel Types：A/B A:Double Sided PEI Surfaces (Without Magnetic Tape) B:One Side PEO + One Side Pei (Without Magnet) Package Includes: 1PC Hot Bed Platform for 3D Printer note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment.