SAVE MONEY AND DRY TIME - The eco-friendly alternative to dryer sheets. No dyes. Dries clothes faster. Reduces wrinkling while softening. Dryer sheets and fabric softner are petroleum based products that are making your clothes more flammable and less breathable. They also coat clothes and your dryer with chemicals. To scent your dryer balls, simply put a few drops of your favorite essential oil on each ball.Use all three balls at the same time for best results.