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: Knitted Cotton Waffle Grids Fabric Craftsmanship: Knitted Fabric composition: 100% polyester fiber Fabric square gram weight: 200g/m Is it elastic: Slightly elastic, Single piece set net weight: S: 297g, M: 342g, L: 352g, XL: 363g, 2XL: 379g, 3XL: 382g