Material: Our Tumble Dryer Balls is made of superb eco-friendly Hypoallergenic PVC Which is non-toxic and safe to use for all fabrics. it can be durable and strong for using so that you need not to buy it frequently, Please don't mind the color of the product may be a little different. .Advantage: Soften your clothes naturally with these spiky spheres, The Laundry Balls for Tumble Dryer can effectively accelerate the clothing drying process and drying time may also be reduced by up to 25%. That has greatly saved time and money for you. .Softer Clothes: No need to use any chemicals. The Tumble Dryer Balls for Laundry can soften fluff and dry your cloth by a natural way instead of the chemicals. These tumble dryer balls will manipulate your laundry to ensure all the fibres are gently fluffed. .Easy to Use: This tumble dryer ball is easy to use, you just need to put it to you laundry or dyer while you washing or dry clothes, it can quicken the washing and drying process. .Size&Package: Each spike balls diameter is 6.5 cm that is a great tool to remove static, lint and pet hair, reduce clothes twisting and entangling. Our package includes 3 pieces clothes dryer balls, each ball can be used many times, so this quantity is enough for you to use for a long time. .