, OEM, ODM, etc. please contact customer service For bulk orders of 20 pairs or more, you can purchase at the discounted price Shipping: Orders paid before 17:00 PM will be shipped on the same day.Orders placed after 17:00 will be shipped the next day (in case of stock shortage, there may be a delay of about 1-2 days; the workshop will arrange production scheduling as soon as possible) Returns and Exchanges: Our products are guaranteed to be exchanged within 15 days without affecting second sales. If you purchase in bulk with pictures comparing quality, we accept returns within 7 days without any reason except for style changes. We will cover return shipping for wrong items or quality issues.(Refusing to accept the package, shipping costs will be borne according to the standard for delivery) : Our store defaults to Yunda, if you need to send via STO or other services, please contact customer service for price adjustment and note. For more details, please consult customer service The more you buy, the better the discount Our company specializes in producing men's business casual leather shoes, formal leather shoes, sneakers, running shoes, etc. We can do OEM and welcome any inquiries This shoe is a standard leather shoe size; usually wear size 40 in leather shoes, please order size 40. For sports shoes, please order one size smaller Summer Breathable Mesh Style