Best Fitness Ab Bench Ab board designed to tighten up midsection and improve core stability 3 starting incline positions (15, 20, and 25 degrees) for effective ab workouts Durable 1.75-inch upholstered seat and 4-inch, high-density roller pads Includes safety pins and bolts for easy setup and disassembly Measures 18 x 23 x 42 inches (W x H x D); 3-year warranty