Each ball consists of different colors of silicone silk with a unique design and a cozy feel that catch children's eyes and let people relax. Made of quality silicone, and are strong and durable for children from five years and adults. A good sensory toy and is ideal for a child's birthday or as a party gag and also as a gift for families and friends. We attach great importance to after-sales service, so if you have any questions about the item, please feel free to contact us. Suitable for children with autism, ADHD, as stress balls against stress and anxiety, and can be used as a practice ball in kindergarten and school. Material:silicone Size: 6cm/10cm dia Color: multicolor Note: *Manual measurement maybe be slightly different from the actual dimensions. If you have any questions about the item info, please contact our customer service. *Due to light and different of computer monitor, the color may be slightly different as pictures. Package Including Stringy Play Ball*1