FLOWIN Features and Effects Dynamic Core Training: By sliding your hands and feet (on pads) on the mat, you create an unstable state, resulting in a highly effective core training workout that engages the entire body. Simultaneous Upper and Lower Body Strengthening: Using special material pads for your arms and knees, you can train your upper body, core, and lower body simultaneously. High Portability: Lightweight and compact, it can be used anywhere, at home, in the gym, or on the road. Full Body Coordination and Functional Improvement: It stabilizes the body's axis and increases the range of motion in the hip joints, which is effective for improving athletic performance and creating a beautiful body line (dieting). It hasn't been used much, but there are some creases from being rolled up. It's in good condition for a used item.