Automatic rebound abdominal roller stable abdominal trainer for home and gym use 2-in-1 function: Serves as both an abdominal trainer and plank support. Effective for training the abdominal, back, shoulder, arm muscles, and lower limbs. Helps support fitness goals, including muscle toning and overall fitness. Advanced design: Wide, non-slip wheels provide excellent stability and smooth rolling. One-piece, reinforced main body enhances load-bearing capacity. Ergonomic handles allow controlled forward and backward movement and help reduce muscle strain. Automatic rebound technology: Built-in strong spring enables controlled rollback. Helps reduce the risk of injury, especially for beginners, supporting safer training. Promotes smooth movement for more efficient workouts. High-quality materials: Features wear-resistant, non-slip layers that protect floors and minimize noise. Sturdy carbon steel handle (Q195) provides enhanced stability and durability compared to plastic. Engaging workout experience: Integrated smartphone holder allows listening to music, watching videos, or making calls during exercise. Helps keep users motivated and makes workouts more enjoyable. Technical details: Material: Q195 carbon steel, multi-layer coating Function: Abdominal muscle training and plank support Special features: Automatic rebound function, smartphone holder Application: Suitable for beginners and advanced users 2-in-1 function: Ab roller and plank support in one device for effective training of the abdomen, back, shoulders, arms, and legs. Ideal for home or gym use. Stable design: Wide, non-slip double wheels and ergonomic handles provide stability and ease of use for all fitness levels. Automatic rebound: Spring mechanism enables controlled rollback, supporting safe and efficient training. High-quality materials: Durable, non-slip layers protect floors; carbon steel handle ensures long-lasting stability. Enjoyable workouts: Integrated smartphone holder adds entertainment during training perfect for music, videos, or calls.