leggett & platt - home textiles Elite True Denim 3-Piece Futon Cover and Pillow Pack, Full STS Futon covers fit an 8-inch thick mattress perfectly will accommodate with a tight fit a 10-inch mattress and provide a loose fit on a 6-inch mattress Two 18-inch toss pillows Futon cover fabric contents 50-percent polyester/ 50-percent cotton