1 Multiple Functions: Can enhance finger flexibility, relieve hand fatigue, exercise hand strength. 2 Easy to Use: You can squeeze it as you like by holding it to relieve stress and make fingers more flexible. 3 High Quality Material: Made of high quality spring steel, corrosion resistant, and can be used for a long time. 4 Safety Design: Plastic cover at both ends of the spring ball can protect the fingers from injury. 5 Lightweight: Easy to carry indoors and outdoors, such as playgrounds, camping, climbing, hiking, etc.
What's in the box
1 x Stress Ball
