1、[Dual Side Printing] The PEY PEI build plate supports two sided printing: one side with PEI coating and the other with dazzling star pattern that reflects brilliant light and color from different angles. 2、[Enhanced Adhesion] The PEY surface on the build plate offers superior adhesion compared to smoothly PEI PET or PEO, ensuring a secure grip of your printed models. 3、[Flexible Steel Plate] The 3D printer plate is made of spring steel that bends to allow easy model removal and can be recovered to flatness without deformation. 4、[Wide Material Compatibility] The print platform caters to various printing materials. The PEY side prints PLA, TPU, PETG while the PEI side prints PLA, PLA CF, PETG, PC, ABS, TPU, Nylon, etc. 5、[Printer Compatibility] With size of 257x257mm, the 3D printer bed is compatible with for Ender 5 S1, for K1, for K1 Maximum, for Ender 5 S1, for Ender 3 S1 Pro, for Ender 3 S1, for Ender 3 V2 Neo, for Ender 3 V2, for Ender 5, for Ender 5 Pro, for CP 01, for CR 20, etc.