Double-sided smooth PEI+ Textured PEI build board: One side is a black smooth PEI print bed , the bottom of the print model is smooth, and the other side is a black PEI frosted board, so that the frosted sticker presents a frosted touch, so that the model and print more tightly together, without warping. Support wire: The smooth of the PEI construction plate can withstand high temperatures of 200℃. The of the textured PEI construct plate is to high temperature of 300℃. We recommend printing PLA/PLA+/PETG/PETG-/ABS/TPU/nylon/PC/PA/ASA/PVA on the of PEI. Excellent adhesion: Our spring steel flexible plates have good adhesion. Its excellent adhesion makes the cooled model easy to disassemble without scratching. Easy to remove: The flexible spring plate bends effortlessly to release your print and can bend back to a flat state, providing a worry-free experience that eliminates your printing anxiety. Compatible: 257x257mm double-sided printing bed designed for A1/X1C/X1/X1E/P1P/P1S. Please confirm your 3D printer platform size before ordering. Colour:Black Material:Metal Package Contents: 2 x 257x257mm Black PEI Double Sided Build Plate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.