Dear Sir/Madam, Function:Smoke-Proof,Waterproof,Fireproof,Moisture-Proof Feature:Perforated Ceilings,Artistic Ceilings,Integrated Ceilings Ceiling Tile Shape:Strip Ceiling Tile Type:Metal Ceilings alu thickness:0.20 to 1.20mm Width:20 to 100mm Height:30 to 300mm Max length: Show More