Lasts for 1000 loads! Because our laundry balls for the dryer are made with the best quality wool and are reusable, they will last you for many years to come and will be your go to big wool spheres! No more wrinkles or static! Our dryer wool balls will help keep your laundry fluffy and smooth. They are proven to be the best anti-static and wrinkle remover dryer ball around and will save you the time and energy of ironing