... or White, Choose FreelyMaterial:-Surface: white magnetic steel board. -Interlayer: High-strength corrugated board (7 layers).-Bottom board: Zinc coated boardFeature:- Moderate friction, easy ... , Moisture-proof, anti-skid, no-deformed, Wearable, Washable.- Magnetic steel board surface can use magnetic cobs, to avoid the self-adhesive plates of ...