RYACO 6PCS Grip Strength Balls Set with 3 Resistance, Stress Relief - ShopVlot

【6 pieces resistance ball set】 This strength training ball set contains 6 balls with 3 resistance levels: soft (green), medium (orange) and firm (blue). The three different resistance pressure balls make it an ideal aid for progressive training for the whole family. Different individuals can use balls of different colors according to their specific needs. So the yellow ball is suitable for children and seniors. 【Stress Relief】Equipped with two balls of different textures, this egg-shaped handle