Supports mixed batches, dropshipping, distribution Regarding mixed batches, one piece is 30 pairs, and more than 2 pieces support mixed batches. If there are any special reasons or requirements, please contact customer service. Regarding size, normal leather shoes size, for example, if you usually wear size 41 in leather shoes, then for this model, size 41 will fit you well 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 express delivery, the default options are ZTO Express and YTO Express. Other options include SF Express and domestic postal small parcels One Piece Dropshipping Instructions 1. Our store supports dropshipping 2. Shipping time: Orders placed before 16:00 on the same day will be shipped normally. Orders placed after 16:00 will be shipped on the same day if possible; if not, they will be shipped the next day on time. If there is a shortage of stock or the item is out of stock, we will contact you to reschedule the shipping time