Material - Giant stretchy stress ball color changing toy is made of high-quality TPR material, This stress relief ball can be used for repeated squeezing exercises, it can be a pressure ball for children,which is safe, non-toxic, durable, elastic, high tear resistance, not easy to damage, can be reused, and children can play freely. . Stress Relief - Sensory stress relief squeeze ball is elastic, can be squeezed repeatedly, you can also drag, hold on, stretch, pull, throw, the perfect choice to relieve stress, and is an annoying toy for everyone in family or friends. . Design - The bright and powerful rainbow color design of the stress ball features beautiful colors. squeeze ball exercise hand ball has a very soft touch, change color after squeeze, yellow to orange, blue to purple, green to yellow, small toys can be held in the hand, can be washed and easily carried, is suitable for anxiety relief, stress relief and physical hand therapy. . Features - Colorful - squeeze stress relief ball toy anti-anxiety tools sensory toy stress relief hand toys for children and adults, can relieve stress, release anxiety, the best gift for people suffering from ADHD, obsessive-compulsive disorder, autism, anxiety, etc. . If you have any questions or quality issues when receiving the goods, please leave us an email. Our customer service will give you a satisfactory answer within 24 hours. Dear friend, I wish you a happy life .