When the legendary Pete Sampras needs to practice his serve, he uses the durable polypropylene constructed Tourna Mini-Ballport hopper. This 36 capacity ball hopper features easy ball pickup and dispensing, and easy transformation between downward and upright positions. 36-ball capacity. Made of tough, durable, recyclable polypropylene. No wires to rust, welding to break or paint to peel. Handles rotate and lock up or down for easy pickup and dispensing. Rolling bars on the bottom help ease balls into the basket and hold them in. Sliding bars on the top slide open to make dispensing easy, and lock closed to hold balls during transport and storage. Handles lock into an upright position for ball collection and in a downward position for ball dispensing with a patented locking feature. Ships in a small, 24 x 9 x 2 inch box. Assembly is easy with panels locking into place and legs easily attached with provided screws. Easy assembly instructions are in the box. *Tennis balls are not included. When the legendary Pete Sampras needs to practice his serve, he uses the durable polypropylene constructed Tourna Mini-Ballport. This hopper features easy ball pickup and dispensing, and easy transformation between downward and upright positions.