Weight: Net weight of size 41 is 360 grams, inner length: size 41 inner length 27cm [About After-Sales Service] 15-day extended return period, worry-free after-sales service.(Does not affect secondary sales) [Regarding Invoices] All prices listed for our products do not include tax. Our store can issue special or regular invoices. If you need an invoice, a tax fee will be added. Please contact customer service for details [About Customization] Our company is a factory and can provide light customization as well as custom processing.The minimum order quantity for light customization is 300-500 pairs in a single color, and the minimum order quantity for heavy customization is 1000 pairs in a single color. [About Sampling] Our company can provide samples, with a specific sampling time of 7-14 days. Please contact customer service for details [About the image package] Our store provides image data including high-resolution images, suitable for cross-border e-commerce platforms and various domestic e-commerce platforms. Please [contact customer service] if needed [Factory direct delivery] Sincerely seeking agents, supports drop shipping, with quality inspection for every item.Nationwide pass is 5 yuan.Except for Xinjiang, Tibet, and Inner Mongolia. [Regarding Color Difference] Due to differences in individual monitor's brightness, contrast, and display settings, there may be slight color differences between the picture and the actual item. [Regarding Shipping] Orders placed before 5:00 PM on the same day are usually shipped on the same day, while orders placed at other times will be shipped the next day