Get tighter abs, a stronger back and a shapelier bottom in just 30 days or your money back! The world's only gym machine that gives your core muscle groups a total workout in just five minutes! The Aroa Core Flex Home Gym is a workout dream come true. In as little as five minutes a day, it strengthens and tones your abs, glutes, thighs and back to give you the lean, attractive body you've always wanted. And it does it all with just one simple motion! Features padded headrest that cradles your neck plus a special design that massages your back while you work out! 18" x 25-1/4" x 27".