Set of two 100% natural Wool Dryer Balls. Goes directly in the dryer. Eco-friendly. Reduces energy costs. Shortens drying time up to 30%. Replaces fabric softener and makes your laundry softer. Pull out moisture, eliminates static, hypoallergenic. Lasts up to 5 years. To scent your laundry, place a drop of scented oil on each ball. Handmade in Nepal.