1、Double Sided Printing: Double sided PEO and PEI spring steel plate, with a smooth printed surface and PEO film on one side. On the other side is the PEI frosted surface, providing greater adhesion and printing without warping. 2、Good Adhesion: The model can firmly adhere to the surface of the printing bed. Before removing the model, please allow the construction board to cool down to avoid damaging the coating. 3、Easy to Remove: PEI and PEO spring steel plate is flexible. Once the construction surface cools down, the printout can be easily manually removed, or the construction board can be bent and the printout removed. The printing pad will not deform. 4、Compatible with Filaments: The surface of the PEO construction board can be printed with PLA, TPU, and PETG. If you are printing other materials, you will need glue. The PEI panel can print most filaments, such as PLA, ABS, PETG, TPU, nylon. 5、Compatible 3D printers: Double sided smooth PEO and textured PEI printing bed suitable for platform size 310 x 310mm printers, suitable for models such as for Ender CR‑10, for Artillery SW‑X1/X2, for Anet A8 Plus.