【Size Information & Accessories】The spring hula hoop comes in two types. ①【Color Model】Approximately 160cm in diameter, about 3.3cm thick, weighs about 0.95kg, PVC material + alloy spring structure. ②【Yellow Model】Circumference approximately 190cm, weighs about 1.5kg, polyester + steel wire structure. Both are lightweight and easy to carry, making them easy to use at home, in the park, or at the gym. Furthermore, it comes with a highly absorbent 40x60cm towel for comfortable post-workout care. 【High-Quality Materials & Safety Design】The Color Model uses flexible PVC material and internal springs, combining shock absorption and durability. The Yellow Model incorporates reinforced steel wire, providing high elasticity and stable rotation. Both feature a safety rope structure to prevent breakage, allowing for long-term, worry-free use. 【Quiet Design & Comfortable Training】The silent design achieves smooth rotation, minimizing friction noise. You can train without worry at night or in apartment buildings. The soft spring structure fits the body well, is gentle on the waist, and is less likely to cause pain even with prolonged use. 【Multi-Area Training Support】Effective for tightening the waist, abdomen, legs, back, chest, and other areas of the body. Using it for about 20 minutes a day supports fat burning and posture improvement. It's also ideal for breaks during telework or relaxation time, and can be easily continued by both men and women. CB03806