Required for # 1001005 disposable shower system. Reusuable. (#1005001) Pole-sets slip together easily and provide soild support tension at the corners. Constructed of durable, reuseable, easy to clean PVC. Poles are 77", 2 piece pole set of 12, one set required per 3 units. Reuseable. (#1005001 Directable shower nozzle with hot/cold flow control easily attaches to support pole, offered seperately)