Add an elegant twist to your mailings with JAM Paper Square Strathmore Invitation Envelopes. These Strathmore envelopes are designed to help make your mail stand out as their eye-catching square shape catches recipients' attention immediately! These envelopes are made from high quality 28 lb. paper and have a smooth finish that both feels and looks good to any recipient. Their spacious size makes them ideal for delivering invitations, RSVP's, greeting cards, announcements, thank you cards, photos, business memos and correspondence, promotional materials and much more!Details:Available in assorted colors8.5" x 8.5"28 lb. paper25 envelopes