Handmade 100% New Zealand Wool Dryer Balls, are hand felted in Nepal. WFTO (World Fair Trade Organization) certified. Gray Cat. Replace Dryer Sheets • Natural fabric softener; reduces wrinkles and static • Chemical free, azo free, no fillers or synthetic ingredients • Decrease drying time by up to 25% • 3" diameter, ideal size for dryer balls • Save money and good for the environment • Lasts for over 1,000 loads • Ethically made with 100% Natural New Zealand Wool - Cruelty free