Features: Upgrade Magnet Build Surface Plate, sized 235*235mm/ 9.3 *9.3in, suitable for Ender-3 and other FDM 3D printer heated beds. Build surface comes with upper magnetic build surface and lower magnetic adhesive base, easy to use. Simply stick the adhesive bottom plate onto the heat bed platform without edge warp, and no glue is needed, convenient to use. Easy removal PLA and PLA-based materials from 3D printing platform, ensuring the bottom of your finished model delicate and no warping, and no need any scrapper. Premium material, super flatness, fast and uniform heating, work at max. 70°C, and can be repeated usage for saving cost.