Description: 【Versatile and Effective Design】: This massage stick features a flexible design with double rollers, great for body massaging in neck, arms, shoulder, waist, legs, calves, etc 【Twenty Wheeled Design】: The double rows twenty wheeled muscle roller is equipped with 240 three dimensional bionic massage points ensure comprehensive coverage for full body massaging 【Flexible Spring Mechanism】: The thickened steel spring of the muscle roller stick allows the stick to bend without deformation while maintaining smooth rolling 【Comfortable Material】: The massage roller is made from quality PP material with a great balance of softness and firmness to provide a comfortable yet effective massage experience 【Product Dimensions】: This bending massage stick is with dimensions of 45.8 cmx11 cm/18.03 inchx4.33 inch, for both men and women, great for home, office, travel, etc Specification: Material: PP Steel Column Spring Size Chart: 45.8 cmx11 cm/18.03 inchx4.33 inch Package Includes: 1 Massage Roller Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. you a wonderful online shopping!