Item Type: Stress Ball Material: Vinyl + TPR Package List 1 x Stress Ball 1Comfortable and Soft: The whole is made of Vinyl and TPR material, it is a safe and fun, comfortable hand feel, will not scratch hands when you play. 2Improves Concentration: This stress ball is perfect for improving concentration and is an effective ADHD toy that helps children relax and focus, reducing distractions. 3Reduce Stress: Instantly reduce stress, anger, irritability and depression when squeezing the stress ball, effectively reducing the stress and anxiety caused by your long hours of work and study. 4Lightweight and Portable: Small and lightweight, easy to carry around, whether at home, bedroom, living room, office, or take to school or travel. 5Suitable The Crowd: Duck squeezy bubbles stress ball is an ideal toy for children with autism, ADHD, and learning disabilities.