Description1. Safe material: The sticky balls are made of high-quality rubber, which is completely harmless and odorless to human skin health. Don't worry about hurting yourself. 2. Luminous: This sticky ball can absorb light, sunlight and flashlights can be absorbed and stored, then placed in the dark, it will emit beautiful light. The ceiling can be pasted for 3-20 seconds, and the ordinary white plaster wall can be pasted for 5-30 seconds. 3. Super fun ball: Whether you squeeze it or throw it on the ceiling, wall or floor, you can, it will not get stuck on the ceiling. Exercise the child's grasping ability and relieve the pressure of adults. 4. Durable and cyclic design: This luminous sticky ball is supersticky and can be pasted on the ceiling or wall. When it is found that the stickiness is not durable, it can be rinsed with tap water, and it will regain the new stickiness after drying.