It is made of high-hardness materials and safe and healthy TPE materials, Make it safe to use.For arm and wrist strength exercises as well as full body massage and relaxation, it is a must-have multi-tool for yoga enthusiasts.Made of solid flexibility, random twisting, solid integrative molding, this yoga torque stick not afraid of strong twisting and not easy to damage.Upgraded wavy anti-slip texture and bump massage design increase friction for a better grip.Helps relieve soreness and promote relaxation, suitable for pre-workout warm-ups and post-workout relaxation for a more comfortable workout experience. Description: Introducing the yoga roller torsion bar - the perfect addition to your workout routine Made with selected TPE material, this roller is safe and healthier for your body. It's designed to exercise your arm, beat your back, relieve soreness, and help you relax. The solid, flexible, and free-to-twist design ensures that it can withstand strong twisting without breaking. The upgraded wavy anti-slip texture increases friction, while the bump massage design provides a soothing massage experience. This roller can be used for arm strength exercise, wrist strength exercise, massage relaxation, and more. Item Name: Yoga Torsion Bar Material: TPE Features: Good Elasticity, Wave Anti-slip Texture, Good ToughnessHardness: 50 Size Details: Length: 32cm/12.6" (Approx.)Diameter: 3cm/1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Yoga Torsion Bar