• The resistance recommended by SPRI for advanced men and women
• Perfect for home, gym, or on-the-road use
• Includes door attachment for additional training options
• Two illustrated exercise charts
• Measures 5 by 7-3/4 by 2-1/2 inches and weighs .6 pounds

Product Description
The Xertube is the ideal workout tool you can use anywhere, any time for safe and effective total-body conditioning. Comes with one Xertube, two exercise charts and a door attachment.Amazon.com
SPRI Xertubes provide an easily portable, highly versatile way to add resistance training to your workout. Constructed of durable rubber with secure plastic and webbing handles, the Xertubes are suitable for a variety of toning exercises, body types, and fitness lev… More >>

SPRI ES502R Xertube Resistance Band with Door Attachment and Exercise Charts