2019 New Upgrade for 3D Printer Print Bed, Compatible with Prusa MK4 MK3 MK3S+ Size: about 10 x 9.4 inch Double-sided PEI powder-coated plate made of hardened flexible steel, does not deform Easy to install, prints release easily by bending the plate. Usable for many types of filament such as PLA, ABS, PETG, TPU, PUA etc. Printers without automatic print bed adjustment can be upgraded to ABL by installing an inductive Z-probe Warranty: if the product does not work, we will replace or refund it. If you have any further questions, please read our Q & A or send us an email. Our service staff and technicians will be happy to help you.