JAM Paper Clear Translucent Vellum 10" x 13" Booklet Envelopes are made out of smooth, high quality, 28 lb. translucent vellum paper. Each of these large booklet envelopes measures 10" x 13" in size. This makes them great for enclosing standard-sized sheets of paper without bending or folding, and mailing or giving away large cards. Their clear quality makes them ideal for placing smaller, colored envelopes in inside of them. There is a total of 25 envelopes in this pack. Each one has a straight flap and a dependable gum closure. When you're looking for something to add a unique touch to your next mailing, the choice is clear. Go with these vellum envelopes!Details:Clear10" x 13"28 lb/75 gsmStraight flapGum closure25 envelopesVellum paper