Are you looking for a unique and professional envelope for mailing forms and documents without folding or bending? JAM Paper Dark Gray 10" x 13" Open End Catalog Envelopes with Gum Closures are ideal for this task. These envelopes are made out of high quality 28 lb., lightly textured, acid free paper and measure a spacious 10" x 13" in size. You can easily fit standard sized and slightly larger sheets of paper into these envelopes without them folding! This pack contains 100 envelopes! Each one features a commercial style flap and a reliable gum closure to keep items secure in the mail. Use these sleek, industrious gray envelopes for business or personal mailing purposes.Details:Dark gray10" x 13"28 lb/75 gsm100 envelopesCommercial flapsGum closuresAcid freePaper