Please note at the accessories section Each one is manually cut, which may be a bit irregular. Customers need to cut according to their own needs and can tie their own knots 1. Color question: This product is a special fabric, and the colors seen from different angles may be slightly different. There may be a slight color difference when photographed with a mobile phone, and the colors may also vary under different lighting conditions. The actual product received shall prevail. 2. Size question: It is a standard size. If you are unsure of your size, please contact customer service in advance and we will provide you with suggestions Note:The difference between S&M or M&L is usually only 1-2cm. If you are not sure whether the size is large or small, we suggest you buy a larger size. This is a strap style that can be adjusted