9-in-1 foldable push-up board that can be used to strengthen the body (chest, shoulders, back, and arms)). With it, users can develop muscle, in the upper and lower back in just 30 minutes a day. Can build lower body strength, burn calories and lose weight. It is made of high-quality ABS material which is strong and durable. This equipment comes with four color lanes yellow, red, green, and blue.