Intense Series – Patent-Pending 3D Surround Bone Structure for Advanced Shaping A revolutionary waist trainer designed for intermediate to advanced users. Featuring the world’s first 3D angled surround steel bone design (patent pending), it includes rib cage reinforcement and staged shaping pressure. Functions: ❶ Say goodbye to the limits of vertical boning – the 15° angled bones follow your natural movement, reducing pressure and increasing personalized muscle memory shaping. ❷ Special dual-force structure strengthens correction for flared ribs and plateau periods. Note: Not suitable for beginners. Crafted with rare high-density FDY diving-grade fabric, it features an industry-first fusion of baby-soft cotton and rubber – no latex adhesive, for a healthier fit.