How many stamps do I need for a 5x7 invitation?

A single 5x7 card in an A7 envelope usually needs one Forever stamp (up to 1 oz). Full invitation suites with an inner envelope, RSVP card and inserts often weigh more than 1 oz and need additional postage, so weigh one assembled invitation first.

Shop Custom A7 Envelopes (5 1/4″ x 7 1/4″) – 5×7 Invitation & Card Envelopes

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