1、IMPROVE PRINTING SUCCESS RATE: Using PEI coating to improve printing success rate. PEI grips the parts hard when heating, then releases them when cooling. You can print the entire block with confidence.  2、TEXTURED SMOOTH 2 SIDED: The double sided PEI flexible board has a powder coated PEI surface, leaving a textured matte effect on the part, and another smooth PEI finish, leaving a shiny, reflective surface on the bottom of the part. Very versatile.  3、STRONG ADSORPTION: Fine frosted bring strong adsorption. The surface of the soft magnetic sticker has a fine uneven texture, which makes it easier for the printed parts to adhere to the platform, very stable.  4、EASY TO CLEAN: Abrasion resistant and scratch resistant, easy to clean, wipe off to give the sheet a new appearance after repeated use.  5、EASY TO INSTALL: Suitable for Ender‑3 Pro, for Ender‑3 V2, for Ender‑3 3D printers, come with adhesive, easy to install.