DropOS

Auto-Rebound Double-Wheel Ab Roller with Phone Holder, Non-Slip Home Core Workout Equipment for Beginners Auto‑Rebound Auxiliary Function Built‑in rebound mechanism helps you retract easily, reducing wrist pressure for beginners. Dual‑Wheel Stable Structure Double‑wheel design improves balance, avoids side tipping during abdominal training. Non‑Slip Grip& Wheel Surface Anti‑slip handles and silent wheels ensure safe movement on indoor floors. Built‑in Phone Holder Reserved bracket for placing mobile phones to follow fitness videos while exercising. Perfect Home Workout Gear Compact size for home gym, great for shaping abs, arms, shoulders and waist muscles.