The size of this product is Chinese standard size, the length is manually measured, there will be an error of 1-3CM. If you are more plump, please choose a size one size larger than usual. (Please purchase the product according to the actual waist circumference, this is very important!)2. Due to different camera angles and light, there may be a small color difference between the picture and the real picture. We strive to provide you with the best products and hope you will be satisfied!