Made of PVC environmentally friendly materials, soft rubber and high elasticity thick steel. The elastic strength is adjustable, the elasticity is strong, is comfortable and free, conforms to the ergonomic design.
1MIN beautiful buttocks , 7DAYS tightening pelvic floor muscles, 4WEEKS changes sedentary posture.no need to go to the fitness room, you can easily complete the muscles of the buttocks, pelvis, inner thighs and other muscles at home.
