Naturally soften your laundry with Woolzies Dryer Balls. This set of 3 contains extra-large unscented grey wool dryer balls made from pure, organic New Zealand wool. This all-natural product contains no fillers, additives, or chemicals and is hypoallergenic and eco-friendly. The dryer balls do not shed and are safe for people with wool sensitivities. Each dryer ball is approximately 2.75 inches in diameter.