Woolzies has been has been obsessed with natural wellness since 2011. When they learned that laundry detergent and dryer sheets were full of toxic nasties, they came up with the very first Woolzies product: Natural dryer balls, made from New Zealand wool and guaranteed to help you tackle laundry in an earth-friendly way. They instantly became a cult favorite. Rest assured knowing that the ingredients you bring into your environment and put on your body are totally natural. These 100% certified natural products are formulated to be safe and effective.