JAM PAPER #3 Coin Business Commercial Envelopes - 2 1/2 x 4 1/4 - White - 25/Pack Color: White Size: #3 (2.5 x 4.25 inches) Quantity: 25/pack Features a straight flap with gummed closure and smooth paper finish. Perfect for personal mail, business mailings, greeting cards, announcements, and so much more!