GENESIS - Classic Pro White Ceiling Tile - Drop/Grid Ceiling - Fast and Easy Installation (6" x 6" Sample) Contains one 6in x 6in sample Genesis panels resist rust, corrosion, water, mold, mildew and bacteria The panels are made of white, virgin-grade PVC vinyl and work with most standard 15/16 grid systems Panels are impact resistant, waterproof and washable Class A fire rated