... any dirty thing remain,just 12 pcs small balls can work for about 5KG clothing,recycle used ... How to use: 1, together with the laundry balls and clothing into the washing machine, according to the ... for all the washing machines. 3, Filled with solid ceramic balls, never used as toys for children. 4, Suggestion: ... that change the refill ceramics or the laundry balls after 12 months’ using so that to get ...