In order to prevent contamination of polycrystalline silicon in a cleaning step, a cleaning basket (1) is a cleaning basket (1) used for cleaning polycrystalline silicon in a state in which the polycrystalline silicon is accommodated in the cleaning basket and includes a plurality of component parts (10) each made of a resin, the plurality of component parts (10) being coupled to each other by screwing screws (N) each made of a resin.