Curl up in comfort with the Mammoth 3 Piece Sectional with RAF Piano Wedge by Jackson Furniture. Mammoth 3 Piece Sectional with RAF Piano Wedge from Jackson Furniture. Frame is constructed of hardwoods and plywood with steel tech construction. Covered in a smoke colored polyester fabric. Sectional includes an RAF piano wedge, armless sofa, and LAF sofa. Sectional includes 3 pepper, 3 dove, and 3 onyx pillows, not sold separately.