Exercise Resistance Strap, Non-Slip Hand Amplifier for Women, Men, Tennis Elbow, Blue, Hardness 60 Description: [High-Quality Material]: This exercise device is made of high-quality silicone, ensuring durability and longevity. It is designed to withstand workouts, making it ideal for strength training. [Multifunctional Fitness Tool]: The rotating hand exercise bar serves multiple purposes, can be used for arm strength training, wrist strength training, and even as a massage tool to relax muscles after training. [Compact Size]: Diameter: 3,5cm/1,38inch, length 30cm/11,81inch, this resistance bar is compact and portable. It can be easily carried in a sports bag or stored at home without taking up much space. [Body Exercises]: The torsion bar is a flexible resistance bar that helps strengthen the muscles of the hands, wrists, forearms and fingers. [Perfect Gift]: Wrist strengthening bars will be a great gift for people who care about dexterity, or who like training and exercise. Specification: Material: silicone Size Chart: Diameter: 3.5 cm/1.38 inch Length: 30 cm/11,81 inch The package includes: 1 practitioner