Gymstick Anti-Stress Ball 3pcs

Three different anti- stress balls in the same package. Anti-Stress balls can be used to develop compressive force and to activate blood circulation in hand and upper arm area. Excellent tool for release neck and shoulder tensions. Anti-Stress balls can also be used to develop dexterity and motor skills of your fingers. Three different resistance levels soft (green), medium (purple) and hard (red).