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: Bird's Eye Fabric Fabric Craftsmanship: Knitted Fabric composition: 100% polyester fiber Fabric square gram weight: 180g/m Is it elastic: Medium elasticity Single piece set net weight: S: 201g, M: 210g, L: 224g, XL: 238g, 2XL: 249g, 3XL: 259g