1、UPGRADED DOUBLE SIDED: One side is smooth upgraded PEO film printing surface, and the other side is PEI frosted surface, meeting different printing needs. 2、STRONG ADHESION: The frosted surface has a unique textured touch, providing greater adhesion, the model can be firmly attached to the surface, and the printing will not be warped. 3、EASY MOLD REMOVAL: This spring steel build plate is flexible, once the surface cools down, the printed piece can be easily removed. 4、WIDELY APPLICABLE: Smooth PEO surface supports PLA, TPU, and PETG (printing other materials requires glue); Textured PEI surface can print most filaments, such as PLA, ABS, PETG, TPU, Nylon. 5、COMPATIBLE PRINTERS: This build plate is suitable for 3D printers with a platform size of 235x235mm, such as for Ender 3, for Ender 3 Pro, for Ender 3S, for Ender 3v2, for CR 20, for CR 20 Pro, for Voxelab Aquila, for Voxelab Aquila C2, for Voxelab Aquila X2.