Features Soften your clothes naturally with dryer balls. They reduce static build-up. This specially designed drying ball will allow air to circulate more freely while softening fabrics. Serve as an all natural fabric softener and drying accelerator. Dryer balls make a great, eco-friendly alternative to dryer sheets or liquid fabric softener. Effective PVC dryer ball: Effectively prevent the laundry twisted together, complete the washing perfectly. Using the wash balls when washing, rinsing, dehydration; applicable to automatic washing machine, semi-automatic washing machine.