... into the machine, then put the laundry balls, no need to add any general washing detergents. 2, Collapsible, cuff or stubborn stains ... stain stick before putting into the machine. 3, Start to washing after 15 to 30 minutes’ dipping, washing it as usual, the ... , never used as toys for children. 4, Suggestion: no use to industrial use or large-scale washing such as laundry shop ...