Product Description: The product is divided into two parts: A (upper)+B(lower) Part A: The top is a matte surface, and the back is magnetic (the interaction with the front of Part B plays an attractive role) Part B: The top is magnetic (with the adsorption under the A part), the back is the adhesive (posted on the printer platform, which plays a fixed role) Instructions: Simply stick the bottom plate onto your build plate and start printing, peel up the top plate with finished prints, then peel off the top plate from the prints. Take the top plate back into place for next round of printing. Features: Upgrade Magnet Build Surface Plate, sized 235*235mm/ 9.25 *9.25in, suitable for Ender-3/Ender-3S/Ender-3 pro/CR20 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, and can be repeated usage for saving cost. 100% Creality sticker, best accessory for your 3D printer. Specifications: Color: Black Material: Plastic + Magnetic Product Size: 235*235mm/ 9.25 *9.25in Product Weight: 496g/ 17.5oz Package Size: 29.3 * 28.1 * 3.6cm/ 11.5 * 11.1 * 1.4in Package Weight: 398g / 14.0oz Note: If it fails to adsorb, please rotate it 90 degrees and try again. This build surface is rated for PLA filaments and PLA-based materials ONLY, and NOT for use with high-temperature printing applications above 70C Package list: 1 * Sticker Set