1.Safe material: The sticky balls are made of high-quality rubber material, which is absolutely safe and odorless to human skin health. Don't worry about hurting. 2.Glow in the dark: This sticky ball can absorb light, sunlight and flashlights can be absorbed and stored, and then placed in the dark, it will emit beautiful light. The ceiling can be glued for 3 to 20 seconds, and the ordinary white plaster wall can be glued for 5 to 30 seconds. 3.Super fun ball: Whether you pinch it or throw it on the ceiling, wall or floor, you can, it will not Dirt stuck to the ceiling. Exercise the baby's grasping ability and relieve the pressure of adults. 4.Durable and Cycle life design: This sticky ball that glows in the dark is super sticky and can be stuck to the ceiling or wall. When it is found that the stickiness is not long-lasting, it can be rinsed with tap water, and it will return to the new stickiness after drying.