... washing detergents. 2, Collapsible, cuff or stubborn stains, pre-processed with stain stick before putting into the machine. 3, Start to ... 3, Filled with solid ceramic balls, never used as toys for children. 4, Suggestion: no use to industrial use or large-scale washing ... 3. Filled with solid ceramic balls, never used as toys for children. 4. Suggestion: no use to industrial use or large-scale washing ...