Used in washing machines and an eco-friendly green ball-shaped product to drastically reduce waste water from houses, a main pollutant of river pollution, saves your money and purifies river ecology through the reduction of CO2 and global warming Energy-saving Ideal for drum and general washing machine Usage: for laundry Main components: (body) SEBS, Biocera green laundry ball, far infrared ray ceramic ball inside Size/weight: 100 x 90mm/200g Lifespan: three years Models: sky blue, yellow with fragrance (the fragrance lasts for about 6 months) How to use: Just put the laundry ball into a washing machine with your clothes Doesn't need any detergents at all