Our factory can issue invoices, please consult customer service.All styles and sizes are in European and American sizes, primarily catering to cross-border e-commerce sellers.The product only has a wash label and size, making it convenient for cross-border sellers to attach their own tags. The packaging bag is a PE zipper eco-friendly bag, suitable for most cross-border platforms. Use with caution, fellow travelers! Original selfie photo! Fabric technology: Knitting Fabric composition: 50% cotton, 45% polyester, 5% spandex Fabric weight per square meter: 200g/m Is it elastic: Slightly elastic Net weight of single item(set): S: 205g, M: 215g, L: 231g, XL: 246g, 2XL: 261g, 3XL: 277g