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: Pearl cotton small twill Fabric Craftsmanship: Knitted Fabric composition: 95% polyester, 5% spandex Fabric square gram weight: 200g/m Is it elastic: Slightly elastic Single piece set net weight: S: 500g, M: 520g, L: 560g, XL: 570g, 2XL: 600g, 3XL: 630g