Features - Train with Control – Automatic rebound system with built-in braking delivers smooth roll-back support, helping you maintain rhythm and reduce strain while focusing on effective core engagement. - Stabilize Your Form – Integrated elbow supports improve balance and limit side drift, allowing more accurate abdominal activation while reducing arm overload during longer training sessions. - Enjoy Dual Function Use – Combines an ab roller and floor exercise aid with layered anti-slip construction that reduces noise, absorbs impact, and supports consistent movement on various surfaces. - Stay Balanced While Rolling – Four-wheel design with widened and extended rollers increases ground contact, minimizes wobble, and delivers a more controlled workout experience at home. - Activate Full-Body Muscles – Ergonomic structure with elbow support targets abs and core while also engaging shoulders, back, chest, and torso for well-rounded strength training. Specifications - Material: ABS - Color Options: Black / Orange / Blue - Size: Refer to images - Package Contents: 1 × four-wheel automatic rebound ab roller with elbow support