STRONG and REUSABLE: The high-quality dryer balls made of food-grade silicone can be used for many years. Free of lead, BPA, and phthalates. Unlike PVC and ordinary plastic products, Silicone Dryer Balls are elastic and will not damage the fabric, have no odor, and will not release any toxic substances. Such cute dryer balls: can easily make the laundry room fun, children and pets will definitely like them very much. They are also nice decorations and interesting toys. They can be used for several years. Tear resistance, acid and alkali resistance, high-temperature resistance, resistant to laundry Sanitizer Additive. Due to the softness and elasticity of silicone, they are the quietest laundry balls when bouncing in the dryer. The two little hands and the spikes on the cactus dryer balls can help to open up clothes further, to separate layers as they roll around by moving and tugging the fabric, and to allow warm air to move faster and more easily between clothes. Helps reduce dry time, wrinkles, and static. Massage fabrics to naturally fluff up and soften. Natural, environmentally friendly, and long-lasting, use 4 balls for small/med load, 6-8 for large. This is the best alternative to dryer sheets, doing better in reducing static and lint/hair catching than wool balls or silicone mats. The lint catcher is more full after drying, with less lint and hair on my clothes. This is particularly applicable to children's clothing, towels, burp cloths, sheets, down jackets, clothing and bedding, fine fabrics, etc.