Features: *Help for stress relief and hand grip strength: Our colorful stress balls are better for beginner weightlifters who are being held back by weak grip, help you focus, relieve stress and train hands, forearms and wrists. *Stress balls help promote a sense of calm, reduce anxiety and can increase focus and attention. *Have such eggs nearby when you have a break at work,to relax and refresh your mind. *Perfect occupational distraction for quitting smoking. *Great stress relief toys for adults and kids. *Durable, non-toxic & safe for health. *Ergonomic and skin-friendly design: Egg shaped for a comfortable fit in your hands. Made of skin-safe thermoplastic rubber (TRP). *Easy to clean from dust and dirt. *Easy to use:just hold, squeeze & enjoy!