4419 30PCS PULL BACK SMILEY TOYDescription :-Compression ball that will make you relax your hands.It allows the holder to exercise all the cells effectively.Exercises to strengthen the joints of the finger Without injury. Do it to help relieve tension.At hand and fingers that often occurs when you wake up.It also helps the blood circulation in the hands.Bullets are also useful in the relief of stress.If you feel angry, but do not know how to wind.Soft Compression to Relieve Stress Ventilation BallsDimensions :- Volu. Weight (Gm) :- 356Product Weight (Gm) :- 240Ship Weight (Gm) :- 356Length (Cm) :- 18Breadth (Cm) :- 12Height (Cm) :- 8