Paper envelopes are a classic and versatile choice for mailing letters, documents, or other flat items. Made from high-quality paper materials, these envelopes offer a lightweight yet durable solution for protecting your contents during transit. With a secure adhesive flap, they ensure that your items stay safely enclosed. Whether you're sending important business correspondence or personal letters, paper envelopes provide a professional and polished presentation. Available in various sizes and styles, these envelopes are an essential item for both professional and personal use, offering a reliable and timeless way to send and receive mail.