JAM PAPER A7 Colored Invitation Envelopes - 5 1/4 x 7 1/4 - Ultra Pink - 25/Pack Color: Pink Size: A7 (5 1/4 x 7 1/4 inches) Quantity: 25 envelopes per pack Envelopes are made from 24 lb paper with gummed flap. These fun, colorful envelopes are perfect for making your mail stand out from the pile!