Features: Material: Made of PU material, filled with sponge, beautiful colors, eco-friendly, suitable for children and adults. Easy to Carry: The ball is small and lightweight, it is easy to carry to children, and it can also improve children’s color recognition ability and imagination. Best Gift: Fun birthday and holiday gift toys for children, your kids will like them. Stress Reliever: This is a good stress reliever, good interactive toy, suitable for indoor and outdoor playing. Application: You can squeeze them as hard as you like and they will spring back to their shape, they are also good for ADHD and autism sufferers. Specifications: Type: Stress Ball Material: PU Color: Yellow, Orange, Green, White, Blue, Red Dia: About 6.3cm/2.48inch Package Included: 1pc x Stress Ball