Able to be used as a traveling case on the go or a stationary container during practice, the Tourna(R) Ballport Deluxe with Wheels holds up to 80 tennis balls for interruption-free training sessions to develop your serve and shot. Durable, Lightweight Construction Heavy-duty polypropylene material holds strong against the weight of your gear Does not include wiring or welds to minimize potential damage Dual-Functioning Storage for Your Gear 33'' bars slide to function as travel handles or stationary legs Bars lock into place when positioned as a transportation unit for secure handling Integrated wheels allow you to take your tennis balls on-the-go with ease Holds up to 80 regulation sized tennis balls Additional Details Endorsed by professional players Bob and Mike Bryan Assembly required