Look no further for professional grade, Midnight Black is a striking, elegant black, A7 full face window envelopes for all your business and personal mailing needs. With dimensions of 5 1/4 in x 7 1/4 in (133mm x 184mm) these unique envelopes with a large, see through window are perfect for holding pictures, mailers, greeting cards or anything you want to mail in a stand out way to your recipient. Window size: 3 3/4 in x 5 3/4 in. The Peel & Press flap allows for secure closure. Our envelopes are made with high quality, 80lb. (216gsm/0.234mm thick) paper. Easily printable with commercial digital printers, off-set printing presses and some home printers. Buy a pack today and always have an envelope on hand.