Quality Materials: These squash balls are made from materials that are safe for children and adults alike. These squeeze balls are made of durable TPR rubber and are highly elastic. Our squeeze balls are the softest on the market and spring back to their original shape even if you slick, squeeze, stretch, pull, throw or bounce them. All have plenty of bounce and give a unique feeling to children and adults. These colorful balls are great for filling piatas and goodie bags, for parties, for Halloween giveaways, class prizes, carnivals and festivals. Relieve stress: squeeze it and it will slowly rebound. No matter how much you squeeze and pull it, it will change its original shape. Bounce and grab it. This bouncy ball is super comfortable and bouncy. These stress balls help children calm down and focus, which is very popular in schools and many teachers recommend it. Hand-eye coordination: All of these stress balls are very light, soft and easy to grip, making it more fun for your child to throw and roll with their friends. It will stimulate your child's hand-eye coordination and reactions during play. Great Party Favors and Gifts: Fun and soft sensory balls for favorite parties so kids will want to play.