9 x 12 Paper Mailing Envelopes Red Colored 25 Pack Moisture activated Gummed Closure Thin Lightweight These envelopes are perfect for Holidays or anytime you want to send Attention Getting Announcements, catalogs, or Mailings.They fit a standard sheet of paper. Thanks for looking and if you would like more items like this, take a look in my store my store. New items several times a week.If you have any questions, please feel free to send me a message anytime. *10% of my sales will go to Mi Refugio, they provide free education, food, clothing medical assistance to children their families living in the Guatemala City garbage dump.