Safe material:Fluorescent Sticky Balls are made of food-grade TPR material which is certified by Rohs and SGS.
Soft Chracteristics:Softness is close to human skin,the pressure release ball can be squeezed and held comfortably.
Luminous ceiling:Globbles sticky balls that gets stuck on the roof for 3~30s.The ceiling balls glow in the dark.Ideal for reducing stress.White has the best luminous effect.
Durable: If play dirty, stick on the soil can be directly washed with water,the viscosity will recover after drying.
Idea gift: 8 pieces stress balls suitable for adults and kids, ideal birthday and holiday gift.