Please note: The new sticky ball is more sticky and will not fall off when stuck to the ceiling. You can play in your hands for a few minutes, wait for the stickiness to weaken and then throw it to the ceiling. If there is dust on the surface, you can rinse with waterSafety: Made of high-quality thermoplastic rubber, no bisphenol A, non-toxic. The pressure is released and will not harm the child.Relax: These sticky balls can be thrown to the ceiling, wait for the balls to fall slowly, and then catch them. When you are upset, you can throw them out to release stress. Pass the boring time, bright colors, perfect gift for friends and childrenGlow in the dark: Soft and flexible, you can play while lying on the bed when it is dark, and will not hurt you and your family when it falls.Soft and not easy to tear: Unlike many other balls, they have high tear resistance and are not easy to break. Smashing hard against the ground and walls will also stick or bounce back.