This is a balance cushion from Tumaz. It's recommended for core training, posture improvement, and balance enhancement at home or during desk work. It has bumps on both sides, which naturally stimulate your core just by sitting on it. The underside has firm protrusions and can also be used for foot stimulation. 【Color】Green 【Condition】Used There are small scratches and stains from use, but no significant damage. It's still in good condition and can be used for a long time. It comes inflated and is ready to use. *We plan to ship it inflated. We appreciate your understanding of used items. #balance cushion #core training #posture improvement #exercise #stretching #work from home #training equipment #Tumaz