Made out of smooth, high quality paper, these envelopes are great for mailing or office use. Each one has a commercial style flap opening with a reliable gum closure to keep the contents placed inside of them secure while they are being transported to their destinations. Use these white coin envelopes for small notes, memos, receipts, checks, cash, small trinkets and items, tickets, pay stubs, and much more!Details:White3.5" x 6.5"Available in multiple size countsReliable gum closurePaper