... ,just 12 pcs small balls can work for about 5KG clothing,recycle used and durableDiameter ... can protect cloths and skin well, especially suiting for babies and children’s cloths and adults’ underwear etc. ... naturally, prolong the using life. 2, Suitable for all the washing machines. 3, Filled with solid ... as laundry shop, but can be used for antibacterial. 5, Washing separately between different colors ...