HIGH QUALITY: High quality shape memory steel can guarantee the long service life of the products. The exterior is wrapped in a PVC bubbler and the interior is designed with adjustable spring gears. .WEIGHT DEVICE-- it can effectively train the muscles to support the pelvis and hip muscles, and it is easier to achieve a beautiful buttock effect and maintain a healthy pelvis. .POWERFUL FUNCTION-- Use this hip trainer to make your pelvis, inner thigh and hip muscles effectively participate in the exercise. Targeted Pelvic Floor Muscle Strengthening Treats weakened pelvic muscles, relieves incontinence and enhances intimacy. .MORE SERVICE-- 1 minute a day beautiful buttocks, 7 days to tighten pelvic floor muscles, 4 weeks change sedentary posture. .APPLICABLE PEOPLE-- The pelvic muscle trainer is suitable for women who are sedentary or postpartum workers or who are worried about the flatness of the buttocks. Thus improving the life of the couple, physical anti-aging, gynecological diseases and gender harmony.V .