48 Packs covers 48 square feet - Each tile is 1 square foot of 1 inch thick premium acoustic wedge foam. Fire Retardant. Our foam is fire rated and passed the Class A ASTM E84 test (for residential applications)! Please allow a few days for the foam tiles to return to their original shapes after the compressed package is opened. Mix and match colors for a custom look! Included is 48 Red Tiles.