• Effectively trains hips, waist, legs, arms, chest, back, and glutes. • Includes three adjustable strength settings of 11-13 kg and a 360-degree adjustment angle. • Unique design with embedded spring and triangular structure for greater elasticity and hardness. • Made with safe materials PP+TPE, non-slip and durable. • Suitable for men, postpartum women, and people with weakened pelvic floor muscles. • Portable and easy to use anywhere: at home, office, or school.