48 packs of kraft clasp envelopes, each pack with 3 envelopes measuring 10" x 13"—durable and reusable, ideal for mailing large documents and files. In the realm of office supplies, the Brown Kraft Clasp Envelope is a standout product. Falling under the category of manila envelopes, one of the many types of envelopes available, its primary purpose is to securely hold and protect essential documents. Whether you're a school, non-profit organization, retailer, or a diligent student or teacher, these security envelopes provide a reliable solution for mailing and storage needs. One of the most significant benefits of Brown Kraft Clasp Envelopes is their cost-effectiveness. For a minimal investment, you can have a durable and reusable envelope that ensures the safety of your documents. Their unique clasp closure sets these types of envelopes apart, providing added security compared to ordinary manila envelopes.