Regarding mixed batches, one box contains 30 pairs, and mixed batches are supported 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 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 take responsibility for handling it. Regarding quality issues such as bottom breakage, degumming, damage, severe color difference, and severe stains, we will cover all costs. Small threads, small stains, slight color difference, and slight glue smell are not considered quality problems One Piece Dropshipping Instructions 1. We support dropshipping, and the dropshipping price is the highest price. There are preferential policies for long-term cooperation; please consult customer service. 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 3. Please ensure that all buyers check the address information when placing orders for dropshipping. If the buyer's address is incorrect, our store will not be responsible