Use these convenient envelopes for receipts, tickets, invoices, cash, checks, announcements, long rectangular invitations, and much more! These envelopes are great for a wide variety of home and office mailing needs! Their natural brown color gives them a rustic and vintage appeal.Details: Brown Kraft Paper Bag 4.5" x 10.375" 25 pack Commercial flap Gum closure 100% recycled, slightly textured, 28lb paper