Description: 【Material】Abdominal Exercise Slider for Core Workout is made of PP PVC, metal, lightweight and wear resistant 【Size Information】Abdominal Exercise Roller (diameter x height) measures approx 35cmx9.5cm/13.78inchx3.74inch, Knee Pad approx 25cmx15cm/9.84inchx5.91inch 【Effective Abdominal Training】Enhance your core strength and sculpt your body with this abdominal training wheel board, designed to effectively target and strengthen your abdominal muscles 【Innovative 360° Design】Featuring a four wheel universal rotation system, this equipment allows for smooth 360° movement, helping you build upper body strength by working out your arms, back, shoulders, thighs 【Versatile Fitness Equipment】Suitable for both men and women, this fitness tool is great for home workouts or gym sessions Package Includes: 1 Abdominal Muscle Disc Roller 1 Knee Pad Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.