JAM Paper's Red 9" x 12" Open End Catalog Envelopes with Clasp Closures are made out of smooth, high quality, 24 lb., 30% recycled paper! Each one measures 9" x 12", the perfect size for enclosing standard-sized sheets of paper with no need for folding and without risk of creating unwanted creases. Each one has a commercial-style flap and a metal clasp closure. For added reinforcement, each one also has an optional-use gum closure! The bright red color of these envelopes makes them ideal for mailings and office needs during the holiday season! Use them to send letters, promotional materials, and more! Details: Red 9" x 12" Available in multiple counts 24 lb./64 gsm Commercial flap Optional gum closure 30% recycled paper