Feature: 1. 3 In 1 Build Plate: This build plate is made of a customized designed PEI material that makes your prints easy to adhere to the print surface, flexible, and removable. 2. Easy To Install: The PEI plate is made of excellent stainless steel with a strong magnetic base. The magnetic base is glued to the build plate by peeling off the backing paper and then aligning the plate. The side with PEI is printed upwards. Please remove the protective film from the surface before printing. 3. Support Double Sided Printing: This spring steel plate has double sided PEI coating, both sides can be printed, just put it on the heated bed, peel off the protective film and print directly without glue. 4. PEI Strong Surface Adhesion: PEI surface is very good at bonding all kinds of printing wire, especially PLA and ABS, which are printed without warping and have high adhesion to achieve higher printing success rate, exquisite and beautiful. 5. Wear Resistant: This spring steel plate is made of spring steel and soft magnetic, which is very durable and wear resistant. Specification: Item Type: Steel Magnetic Build Plate Size: Approx. 200 x 200mm / 7.9 x 7.9in Use: 3D Printer Material: PEI Spraying Powder, Spring Steel, Soft Magnetic PEI Spraying Thickness: Approx. 0.25mm / 0.01in Spring Steel Plate Thickness: Approx. 0.4mm / 0.02in Magnetic Rubber Plate Thickness: Approx. 1.2mm /0.05in The Overall Thickness: Approx. 2mm / 0.08in. Package List: 1 x Spring Steel Plate Platform1 x Magnetic Rubber Plate