Compliments other Office Items Send Colorful Greetings in Style Great size for keeping important items safe JAM Paper Gray #10 Open End Policy Envelopes measure 4 1/8 x 9 1/2 inches in size and are made out of 28lb, high quality, acid free, lightly textured paper. Each one has a straight flap and a secure, moisture-activated gum closure. The sleek, industrious gray color of these envelopes gives them an appearance of sophistication and professionalism. The size and shape of these refined, open end envelopes makes them optimal for receipts, tickets, invoices, sales slips, lists, long-shaped invitations, and more. Use these policy envelopes for any business or personal mailing purpose! Size: 4 1/8in x 9 1/2in | Color: Gray