A little Christmas surprise: any product you buy in our shop that we ship before Christmas will be accompanied by a beautiful Christmas card.SAFE MATERIAL --- The sticky ball is made of high-quality silicone material, which is soft, highly tear-resistant and hasnt harmful additives. It's healthy for you and your children. Size: 5cm diameter, Material: TPR. [Note: Random colour delivery]GLOW IN THE DARK --- The sticky ball can glow in the dark. Put the sticky ball in the sun or irradiate it with strong light, and then placed in the dark, it will be lighting.STRESS RELIEF --- The sticky ball has great elastics and won't be broken easily. No matter how you pinch, squeeze, stretch, toss, bounce it, it will automatically return to their original shape. The pressure release ball is comfortable to hold. It can help you relieve stress and release anxiety.SUPER STICKINESS --- After many times of use, the surface of the sticky ball will have some dust and the stickiness become weakness. When you feel that the stickiness is reduced and the surface is dirty, just clean it with water. After washing it. the stickiness of the ball will recover automatically. The sticky ball for ceiling can be used repeatedly.WIDELY USAGE --- You can use sticky ceiling ball in classrooms, offices, bedrooms and other places, or as gifts to family and friends. It also suitable for persons especially who often feel anxiety. It helps them increase a sense of calm, reduce stress, anxiety and increase attention.