1. Enhanced Comfort, Quiet Exercise: Our innovative third-generation model features a full-coverage polyester fabric design to enhance your fitness experience. Its weight is approximately 1500g, which makes it easy to control.This advanced structure not only better protects your lower back but also significantly reduces exercise noise, ensuring you remain quiet and focused during your workout. The soft outer fabric *prevents skin pinching*, providing a truly comfortable exercise experience. 2. Optimized Fat Burning, Effective Impact Cushioning: This exercise ring is designed for optimal fitness results, featuring a built-in weighted alloy spring core to effectively assist in efficient fat burning and waist shaping. The soft, full-coverage velvet outer layer is carefully designed to *cush up to 80% of impact*, providing a gentle yet effective workout for your core muscles and overall physique. 3. Superior Construction and Ergonomic Size: Constructed from premium metal for a robust and sturdy structure, the outer layer uses soft and elastic polyester fabric for a comfortable touch and long-lasting durability. With a circumference of 190 cm (approximately 74.8 inches), its moderate size is suitable for users of all body types and different exercise styles. 4. Exquisite Craftsmanship and Stain-Resistant Design: traditional textile techniques with meticulous attention to detail, this garment offers a refined and comfortable feel. Furthermore, advanced oil-free dyeing ensures that the clothing will not fade or stain, allowing you to exercise with peace of mind and keep your workout clothes looking 5. Fitness-Specific Soft Spring Waistband - Gentle design for amazing results! Achieve a satisfying waistline. This popular headband features smooth 360° rotation, effectively stimulating the area around the waist. Achieve your ideal waistline through a firming effect, creating a beautiful body curve. It's also highly recommended for improving posture and balance by exercising the torso! Material: Polyester + Metal Size: Circumference 190cm Color: As shown in the picture Package includes: 1 pc Silent sports ring