Features: 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 For drum and general washing machines Usage: for laundries Main components: (body) SEBS, Biocera green laundry ball, far infrared ray ceramic ball inside Size/weight: 100 x 90mm/200g Lifespan: about 3 years Model: 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 Do not need any detergents at all