This is a 4-wheel abdominal roller. It features an automatic rebound function and elbow support, making it safe and easy for beginners to use. It also comes with a smartphone holder, allowing you to enjoy your workout by watching videos or listening to music during your training. Abdominal Roller, Abs Roller, Muscle Training Equipment, Automatic Return Design, Compact Storage, Silent Design, Stretching, Exercise Roller, Easy Assembly, With Mat, Diet Equipment, Men/Women, Beginner/Advanced [Product Condition] Unused [Color] Black [Features] 4 wheels, automatic rebound, elbow support, smartphone holder included Thank you for your consideration. ♬*•.♡*♥+ ⸌◦̈⃝⸍ Ƭʜᵃℕҡ ყօϋ୨୧ᐝ⸌◦̈⃝⸍ +♥* ♡.•*♬ Thank you for viewing⑅◡̈*.✧ *Although it is new and unused, it has been stored at home, so please consider this before purchasing.┏(ε:)و ̑̑ It has been removed from the box and bag for photography. Therefore, the box may have scratches or scuffs. We hope you understand.₍₍(:D)⁾⁾ We strive to pack items as carefully as possible, but due to size constraints, we may compress items, use shopping bags, or use non-new packaging materials. Thank you for your understanding. (❁ᴗ͈ˬᴗ͈) .。.:*・゜♡★♡゜ Management Number: SU 37