About Size Standard Code Number Regarding the smell, shoes that have just left the factory may have a bit of glue odor, but this is unrelated to the quality. The glue smell will dissipate in a well-ventilated area. Regarding after-sales service, if there are any issues with the sold shoes, please contact our customer service immediately to explain the situation, and we will handle it responsibly. Regarding the price, we suggest a physical retail price of 39 yuan. Regarding freight delivery, we default to using Best Express. The shipping cost quoted by them may not be accurate; please consult customer service for price adjustments. For remote areas, we recommend using logistics services. Regarding quality issues such as bottom breakage, degumming, damage, severe color difference, and significant stains, our company will cover all costs for handling.Small thread ends, minor stains, slight color difference, and slight glue smell are not quality issues. Regarding after-sales service: Our products have been inspected and no returns or exchanges are accepted. The design concept is comfortable. In other cases, both parties will negotiate for returns, and refuse to accept delivery via regular mail.