If you're looking to tone your upper body, look no further. The SPRI Red Xertube provides spectacular toning for arms, chest, shoulders, back and abdominal muscles. The Xertube comes with a door attachment and 2 exercise charts designed to take you through a series of specific exercises. The Red Xertube provides medium resistance for those who are at the "moderately fit" level. The resistance recommended by SPRI for most men and advanced women Perfect for home, gym, or on-the-road use Includes door attachment for additional training options. Exercise Guide not included.