50 Pack Envelopes-A6 Envelopes (6.3" x 4.3")-Black A6 Invitation Envelopes (6.3" X 4.3") - Black (50 Qty.) Great for holding business cards & thank you notes, gift cards, and scratch off game cards Laser and Inkjet Compatible Envelope Features: Square Gummed Flap Closure, High Quality Smooth Paper Finish, Made with 30% recycled materials Eligible for Mailing as a Letter,Get 1 Free Chamois Cloth.