Environmental protection laundry ball, save money, save time , security and econtamination, without leaving any traces. Laundry washing ball1. Material: 1)Inside: Anion Particles. 2)Outside: Plastic ball2. Net weight: 80G3. Method of use: 1) Put washing ball together with clothes when washing. No need of adding washing powder. 2) After washing, take the laundry ball out and store them in the dry ...