1. For customers who need to use express delivery, there is no need to change the shipping fee, as our express shipping fees are set according to weight and region. 2. For customers using freight shipping, please contact customer service after placing the order to adjust the price and remove the shipping fee originally included in the system. The customer will then be responsible for the logistics shipping costs themselves. 3. We are unable to track the shipment logistics, please understand.For non-quality issues, if the buyer returns the item without signing for it, we will claim the shipping costs.For non-quality issues, returns and exchanges are not accepted for bulk orders. [Regarding size] Runs one size small, it is recommended to order one size larger. [Regarding color differences] Due to contrast in lighting during photography and differences in batches, the actual product may have a color difference from the picture. This is not a quality issue, and return or exchange will require you to bear the return shipping cost. [Regarding the smell] Newly manufactured shoes may have a slight glue smell, which is not related to quality issues. The smell will dissipate if placed in a well-ventilated area. [Regarding After-Sales Service] If there are any issues with the shoes sold, please contact our customer service immediately to explain the situation, and we will handle it. [Regarding shipping] The default is YTO Express. For larger quantities, Yunda Express, ZTO Express, or small-scale logistics will be used. If you need other couriers or logistics services, please contact customer service. [Regarding Invoices] The prices of our products are all excluding tax. If you need an invoice, please contact customer service for assistance.