Featrues 1. Easy to use: Physical manual vibration, no power supply, adapting a more efficient exercise method, simple and easy to learn, easy to master and efficient to improve posture, which makes it easy to stay healthy. 2. Strong vibration: With a slight force, high-frequency vibrations can reach the deep muscles. During the exercise, the abdomen and buttocks will tighten, and the chest muscles and triceps will be exercised. 3. Comfortable grip: Rubber grip with nonslip texture, comfortable to grip, not slippery, not sticky, not damaging to muscles, eco-friendly and comfortable. 4. Strong material: Adopts advanced glass fiber material, high-strength anti-breaking, durable, safe to use. 5. Detachable design: The newly upgraded detachable style can be disassembled into multiple sections for storage when not in use without taking up too much space. Specification Material: Glass Fibre+Rubber Color: Red Black Size: 160cm Package Include: 1× Musculation Training Stick