This Abdominal Rebound Exercise Roller with Elbow Support is an excellent choice for an effective core workout. Crafted with premium materials for maximum durability and impact resistance. The EVA foam-filled handles provide comfort for long sessions. Rebound assistant technology ensures that the wheel automatically returns to the original position. The rubber wheels provide floor-friendly and silent operation. Switch between two training modes to target different muscle groups. Get ready to up your fitness game!