Feature 1Applicable Models: Round build plate is an upgrade part for QQ S 3D printer, or DIY your own printer (if it has a hotbed). 2Easy to Remove: The flexible steel PEI sheet is made of spring steel and easily adheres to the print surfaces when you bend it slightly, making it flexible and removable. 3Easy to Use: Simply glue the base plate to the heated bed and place the steel platform on top for easy printing on both sides. 4Wide Compatibility: PEI is compatible with most filaments including for PLA, for Carbon PETG, for TPU, for Wood, etc. 5With Magnetic Sticker: After printing, please let the steel plate cool, bend and popping out your prints, easy to operate, with magnetic sticker.Item Type:3DPrinterBuildPlateMaterial: Steel PlateDiameter: Approx. 265mm / 10.4inApplicable Models: For QQ S 3D Printer .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x 3DPrinterBuildPlate1 xMagneticStickerNoteWe have already helped you to apply PEI to the steel plate using the machine, so you no longer need to worry about air bubbles