This junior size basketball stand from Air League has a sturdy frame made from durable all-weather polyethylene and is built to last. It is height adjustable from 1.2m all the way up to 1.8 meters. The scratch-resistant polyurethane base can be filled with 20kg of water for fantastic stability. The HB10 is constructed from very durable polyethylene for both the frame and backboard. The base is made from blow moulded polyurethane with a non-scratch coating. The rim diameter measures in at 32cm (12.5inches Junior Size) with the backboard at 70cm x 51cm x 3m. The base dimensions come in at 55cm x 51cm x 13cm and can be filled with up to 20kg of water. Please be aware that no ball is included with this stand, but can supply one for at a heavily reduced price. See Below!