The dryer ball is made of high quality PVC, wear-resistant and durable, temperature resistant, reusable, environmentally friendly, fragrance-free, non-toxic and safe for your family to use. Ideal for baby clothes or people with sensitive skin. This dryer ball can help your clothes dry faster in the washing machine, shorten drying time and reduce hydroelectric energy costs. Each laundry ball has a diameter of 6.5 cm, the soft nails of the ball can massage the fabric to reduce wrinkles, reduce distortion and clothing tangles, and the slim design does not damage the clothes or the washing machine. The down dryer ball is perfect for people with wool or lanolin allergies. It helps remove pet hair from clothing. Improves air circulation between garments, allowing clothes to dry more evenly.