Absolutely Safe Material: Made with high-quality thermoplastic rubber, nontoxic, and free of BPAs. The decompression ball is soft and will not hurt the child, which strengthens the emotional communication between the parent and children.Longer Use Time: This sticky ball that glows in the dark has super stickiness and can stick to the ceiling or wall. When you find that the stickiness is insufficient , It can be restored as new by washing with water.Super Playable: Bend it, squish it and throw it onto the wall. The ball can stick on the wall for a while, which is super funny. Help you or your children to concentrate, reduce anxiety and pressure, build emotional stability, and calm down irritable handsPortability & High Viscosity: A compact size that can be easily to put into your bag or backpack, If you throw a brand new ball onto the roof or the ceiling, it might stick on the roof or the ceiling and will not fall off. After playing for a few minutes, the ball is not so sticky, and then throw it.Ideal Gift: Glow in the dark ceiling balls is very suitable as a gift to your children, friends, relatives or to yourself. It can relieve your anxiety and stress well, and is suitable for people with autism and anxiety People with disease have very good physiotherapy effects.