Features: Double-sided printing, genuine PEI powder coating,wear-restance and high strength brand new and high quality Easy to print and to maintain lower runing cost especially for printing farm Easy to remove by bending and popping it off, can repeatedly use, practical. Hardened steel spring sheet never diforming,high temperature resistant Make adding inductive Z-probe possible Specifications: Material：Steel Number of Items：1 x PEI Build Steel Plate+Magnetic Base Size: approx 235x235mm/9.25x9.25in Weight: 400g Feature: PEI & Powder; Two-side Coated Application: Ender 3 Printer Size: Approx 235mmx235mm/9.25x9.25in Maintenance: Wipe the print surface before and after a print with isopropyl alcohol to maintain a clean surface for maximum bed adhesion strength. As with any build surface, make sure you are not printing too close to the bed to avoid possibly infusing the filament into the build surface. If printing PETG, TPU, TPE, and RYNO, make sure the bed is heated BEFORE attempting to remove the print from the bed. Package Includes: 1 x PEI Build Steel Plate+Magnetic Base note: Do not use acetone on powder coated pei side. As with any printing platform, make sure to print too close to the hot bed to avoid damaging the printing surface. If printing PETG, TPU, TPE and RYNO consumables, please make sure the hot bed is heated before taking the mold from the hot bed after printing! 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.