Pelvic floor muscle trainer: It can effectively train muscles, which allows the pelvis and hip muscles to participate in the exercise. It is easier to achieve the beautiful buttock effect and keep the pelvis healthy. Feel free to adjust: the elastic strength is adjustable, according to the ergonomic design, comfortable and free. Fitness Accessories: No injection, no medicine, hip line shape, you have a charming body. Beautiful plastic for buttocks training can improve the blood system of the muscles and buttocks of the lower extremities, make hips and lower extremities more flexible and promote activities. Portable design: small, lightweight and easy to carry.