About this item【Automatic Bounce Design】The ab roller adopts a built-in spring design when pushing forward, accumulating strength and generating a boost when bouncing. Spring push design makes the bounce more stable and effectively protect your muscles get a safe and efficient fitness during exercise.【Elbow Support Design】The elbow support uses multi-layer functional sponge, which can effectively absorb sweat and prevent slipping, and is ergonomic. Thicker padding material can support you for a long time without tired, achieving a more efficient training effect.【Home Fitness Equipment】This abdominal trainer is small in size, ultra quiet interior design and comes with a mobile phone holder and timer design. You can watch videos in an immersive way.
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