JAM PAPER 9 x 12 Booklet Colored Envelopes - Blue - 25/Pack Color: Blue Size: 9 x 12 inches Quantity: 25 envelopes per pack This open end envelope is lightweight paper and has no clasp for minimal fuss. The straight flap includes a gum enclosure to ensure that the envelope stays closed and contents stay safe. Perfect for Greeting Cards, Invitations, Weddings or any announcement.