High Quality: The dryer balls are made of premium material, wear-resistant and durable, high temperature resistant, reusable, environmentally friendly, fragrance-free, non-toxic and harmless to your family. Ideal for baby clothes or people with sensitive skin. High efficiency and economical: This dryer ball can help your clothes dry faster, reduce drying time and lower water energy cost. Cleaning and decontamination: reduces tangles, for a soft, wrinkle-free laundry. Energy and time efficient, reusable. Handy Tool: Down Drying Paste is perfect for people with allergies to wool or lanolin. Helps remove animal hair from laundry. Improves air circulation between clothes and allows laundry to dry uniformly. Scope of delivery: 4 pieces (diameter: 6.8 cm)