The Tandem(R) Net Extender attaches easily to your existing net antennae to form an excellent training and practice tool for coaches and athletes. It's made with durable, stretchable elastic and features hook-and-loop fasteners. Adjust to nearly any height to practice serves, attacks and other above-the-net techniques. Officially licensed by USAV. FEATURES: Includes 1 Tandem(R) net extender Official USAV licensed product Durable, stretchable elastic construction Hook-and-loop fasteners easily connect to net antennae Ideal for practicing serving, attacking and other techniques above the net Adjustable to almost any height