Our store: 7-day no reason return and exchange, 15 days guarantee and exchange, 48 hours shipping, making your purchase more reassuring and worry free 【 Can be sent 】 The default quantity in the system is 2 pairs now. If you want one pair, you can submit 2 pairs and modify it to one pair yourself before placing an order, or ask customer service to help you modify it to one pair, and you can make the payment. Alternatively, you can leave a message saying "If you want a pair, please change the price". We will help you modify it to a pair when we see it. A box of 20 pairs of monochrome is mixed in batches. If there are special reasons/requirements, please contact customer service 【 Size 】 This style is standard leather shoe size: for sports shoes wearing size 40, you can buy size 39. For leather shoes wearing size 40, you can buy size 40 Color difference: There may be slight color differences between the image and the actual product due to differences in brightness and contrast displayed on personal monitors. Our store,. Long term quantity can contact customers to apply for discounted prices. 【 Odor 】 Newly produced shoes may have some glue and moisture, which is not related to quality. The glue smell will dissipate when placed in a ventilated area. [After sales] If there are any problems with the shoes sold, please contact our customer service promptly to explain the situation, and we are responsible. [Freight] Our products are all standard shoe sizes (some may have labels that are too small or too large). If you need to return or exchange due to size issues, the shipping cost will be borne by yourself The shipping cost will be borne by the buyer. For small quantities of goods, they will be shipped. The default is Shentong Yunda. Please leave a message for others. Shipping needs to pay for the postage difference. If you need to send it, please contact customer service. [Quality] Our company is responsible for all costs related to broken bottom, delamination, damage, and severe stains. Small thread ends, small stains, slight color differences, and slight glue water odor are not quality issues.