This ab roller features a double-wheel design for excellent stability. It's designed for users of all levels, from beginners to advanced, and allows you to effectively train your abs, arms, back, and shoulders in a balanced way. The grips are made of a non-slip material that fits comfortably in your hands, making your workouts more enjoyable. It's compact and convenient for storage and portability. * Double wheels for excellent stability * Non-slip grips * Perfect for home workouts --- Product Condition Overall, the item is in good condition with minimal signs of use. There are no noticeable scratches or stains on the wheels or grips. The operation is also good. Please refrain from purchasing if you are concerned about minor scratches, as this is a used item.