The Best Fitness Folding Ab Bench/Seat is designed to tighten up your midsection, strengthen your back and improve your core stability. If you want to look and feel your best, start at your core! Comfortable and effective, this Ab Bench offers three starting incline positions (15, 20 or 25 degrees) to enable you to take your workout and turn it up a degree. Best of all, the Folding Ab Bench is fully assembled right out of the box.