JAM PAPER #10 Policy Business Premium Envelopes - 4 1/8 x 9 1/2 - Brown Kraft Paper Bag - 25/Pack Color: Brown Kraft Size: #10 (4.13 x 9.5 inches) Quantity: 25 envelopes per pack Perfect for Greeting Cards, Invitations, Weddings or any announcement. These envelopes are perfect to use for sending invitations, greeting cards, RSVP's, thank you cards, gifts, graduations, business mail, or any of your personal needs!