1. Variable weight, allowing for free addition of fillings. You can add rice, beans, steel balls, etc. to increase the weight to 3-7 pounds, and increase the training intensity according to your own situation. Please note that this product is heavier than regular sports rings and is suitable for high-intensity training. If you have a certain foundation, you can use it more proficiently.2. Internally thickened 0.8mm stainless steel pipe, more sturdy and resistant to impact. The service life has doubled compared to other materials, making it less prone to aging and deformation.3. The diameter of the sports circle is 34.6 inches and 88 centimeters, suitable for most people. Weight loss training can be done indoors or at night to create a perfect waist.4. Easy to disassemble and disassemble. The sports ring can be easily disassembled when not in use for a long time. Suitable for both adults and children, from beginners to advanced levels.5. The thick foam on the outer layer is comfortable to use. You can also enjoy music or TV while exercising, and if you spin for a long time, it won't get hurt or hurt.