A7 Envelopes Purple Grape - 5 1/4 X 7 1/4 (For 5x7 Cards) 25 Per Pack Envelope Size: 5 1/4" x 7 1/4" These envelopes are perfect to use for sending invitations, greeting cards, RSVP's, thank you cards, gifts for birthdays, graduations, holidays and more Fits Card Sized: 5" x 7" 60lb paper weight (standard quality, 24lb bond, a bit heavier than copy paper) Square Flap (gummed)