1SMOOTHLY AND VERSATILE SURFACE: One side features a smoothly PEO flexible diamond surface, easy to adhere to models and easy to clean. The other side has a PEI frosted bed surface for enhanced adhesion and texture without warping. 2MAGNETIC BASE WITH HEAT RESISTANCE: The soft magnetic rubber base with strong magnetic properties and heat resistance up to 130, allowing for direct attachment to the hot bed platform. 3COMPATIBLE WITH VARIOUS FILAMENTS: PEO surface is compatible with PLA filaments, while the PEI surface supports PLA, ABS, PETG, TPU, Nylon filaments. 4STRONG ADHESION: Achieve cold bed printing with strong adhesion and no warping, producing textured and exquisite bottom surfaces on printed products. 5WIDELY COMPATIBLE: Dual side PET PEI construction with a size of 315 x 310mm, suitable for models for K1 MAXIMUM and other similar models. 1 x3D Printer Build Plate 1 x Soft Magnetic Base