GREAT for large photo, art, poster print presentation and mailing! Set of 5 kraft rigid envelopes . 17 inches x 21 inches Heavy fiberboard keeps items flat during shipping. THICKNESS: .037" RECYCLING: Recyclable Recycled Content: 100% Post-consumer: 70% If you would like more or less please convo me for a custom listing! Le Box Boutique- Love The Moment of Giving - wedding favors - custom packaging - Soap favors for weddings, showers and events - Christmas, New Years, Valentines Day, Easter, Mother's Day, & Father's Day Gifts and Packaging. Check out our entire shop for all you need for the upcoming spring, Easter & Mother's day gifts and packaging! Art or Soap for Mom or Dad, Packaging for Easter candy baskets!