10 piece reusable magic laundry balls this balls are used in washing machines to enable thorough cleaning of clothes in the washing machine. suitable for all types of fabrics, including delicates, cotton, synthetics, and wool, our laundry balls are a must-have for every eco-conscious home. eco-friendly, reusable laundry balls, chemical-free, fabric softener alternative, energy-saving, wrinkle-free, and hypoallergenic for household cleaning washing ball machine clothes softener starfish shape solid cleaning balls