XNUT 50 Pack Kraft Paper Envelopes, featuring 3 different sizes to perfectly meet all your mailing and storage needs. Made from 100gsm premium kraft paper, these envelopes are thick, durable, water-resistant and moisture-proof, ensuring your important documents and items arrive safely. With a simple and elegant design, the natural kraft paper color is both eco-friendly and professional. Whether for business correspondence, personal mail, document storage, or gift packaging, these envelopes are your ideal choice.