Our factory can issue invoices, please consult customer service.All styles and sizes are European and American versions, mainly for e-commerce sellers.The product only has a wash label and size information. For sellers, it's convenient to hang their own tags. The packaging bag is a PE zipper eco-friendly bag suitable for most platforms. Colleagues use with caution! Original selfie photo! Fabric name: Composite Chinese cotton Fabric Craftsmanship: Knitted Fabric composition: 95% polyester fiber 5% spandex Fabric square gram weight: 380g/m Is it elastic: Slightly elastic Single piece set net weight: S: 653g, M: 695g, L: 7088g, XL: 734g, 2XL: 760g, 3XL: 790g