JAM Paper Clear Translucent Vellum 9 x 12 Open End Catalog Envelopes are made out of 28lb translucent vellum paper. Each one measures 9 x 12 inches in size, making them ideal for fitting standard sized sheets of paper without bending our folding! This pack contains a total of 250 envelopes! Each one features a commercial style flap with reliable gum closure! These envelopes are ideal for any contents that you want to show off or for adding a delicate, classy looking and decorative outer layer to colored envelopes. Use these envelopes for flyers, pamphlets, brochures, invitations, informational sheets about your next event, and more! Size: 9in x 12in | Color: Clear Translucent Vellum | Quantity: 250