... Product FeatureSound absorbing,Resistance to fire, warm-keeping, energy-saving, heat-insulatingPatternMineral Fiber Tile :Pine holes,fine fissured ,dune surface ,small ... ,1200*300mmThickness: 6mm-20mm Characteristic:1. Sound-absorpt ,Sound Insulation,Heat Insulation ,Fire-Proof2. No asbestos,No Formaldehyde3. Prevent Sink4.Decorative