Each one of these envelopes are the perfect size for enclosing tri-folded standard sized sheets of paper. Made out of smooth paper and featuring straight flaps with self-adhesive, peel and seal closures, use them to reliably send newsletters, announcements, documents, bonus checks and more! The bright and eye-pleasing green color of these envelopes look great in the mail during any time of year!Details:Green4.125" x 9.5" (#10) envelope size24lb/90gsmStraight flapPeel and seal closureAvailable in multiple countsPaper