Size Recommendation: 1. As you may know, each country has different size standards, and different products have different size standards.Please do not select the size directly according to your habits, such as S/M/L. 2. Please select the size strictly according to the centimeter range in the size chart. For example, S: 26 1/2″~28 1/2″ (inches) means the size is suitable for waist circumference 26.5~28.5 inches. 3. To ensure the size is right, please refer to the size chart in the instructions. If you are unsure of the size, please feel free to contact us by email. 4. Due to manual measurements, the size may vary from 2-3 cm. Please pay attention when you measure.