Regarding mixed batches, one box contains 30 pairs, and mixed batches are supported for more than one box. If there are any special reasons or requirements, please contact customer service. About Standard Sports Shoe Sizes Regarding color difference, due to differences in personal monitor brightness and contrast display, there may be slight color differences between the pictures and the actual product. Regarding the smell, shoes that have just left the factory may have some 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 take responsibility for handling it. Regarding freight from Jiangsu, Zhejiang, Shanghai, and Anhui, the default is ZTO Express. If you need other couriers, please contact customer service. Except for Jiangsu, Zhejiang, Shanghai, and Anhui, all other regions will be shipped via dedicated logistics with payment on delivery, requiring buyers to pick up themselves. Regarding quality issues such as bottom breakage, degumming, damage, severe color difference, and significant stains, we will cover all costs for resolution Small thread ends, minor stains, slight color difference, and slight glue smell are not quality issues Design concept versatile for daily outdoor leisure sports, free and loose, casual fashion. One Piece Dropshipping Instructions 1. Support dropshipping, the dropshipping price is the highest price 2. Payment method supports Alipay 3. Shipping time: Orders placed before 4:00 on the same day will be shipped normally. Orders placed after 4:00 will be shipped on the same day if possible; if not, they will be shipped on time the next day 4. Please check the address information carefully when placing an order for dropshipping. If the buyer's address is incorrect, our store will not be responsible. Standard Size