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Wedding RSVP Envelopes

Wedding RSVP Envelopes

Wedding Invitation Card Response Envelopes. Small 3 x 5 Envelopes


Standard Sizes for Wedding RSVP Cards & Envelopes

3 Popular Wedding RSVP Options

There are three popular options for wedding rsvp envelopes & cards. Learn about them below to choose the best rsvp for you and your wedding invitations.

  1. A1 Card and Envelope
  2. A2 Card and Envelope
  3. A2 RSVP Post Card, No Envelope

A1 RSVP Card & Envelope Size - Classic & Compact

Small 3x5 standard wedding rsvp card size

A1 envelopes are the smallest size envelopes that can be mailed in the US, making the A1 card and envelope combo a classic and compact choice for invitations traditional and contemporary.

  • A1 (3 1/2 x 4 7/8) RSVP Cards
  • A1 (3 5/8 x 5 1/8) RSVP Envelopes

A1 cards must be mailed in an envelope, and require standard postage.

Shop A1 RSVP Cards

Can't print on these little cards and envelopes? We'll do it for you!

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A2 RSVP Card & Envelope - For a Little Extra Room

A2 standard size rsvp card size - 4x5 slightly larger for lots of info

Slightly larger, A2 cards are also a popular size wedding reply card. They're great for reply cards with lots of deal - multiple events, meal choices, song requests, etc.

  • A2 (4 1/4 x 5 1/2) Cards
  • A2 (4 3/8 x 5 3/4) Envelopes

A2 envelopes also require standard postage, but A2 cards can be mailed on their own as RSVP postcards, bringing us to a third popular option.

Shop A2 Cards (RSVP Post Cards)Shop A2 Envelopes

A2 Card - Standard RSVP Post Card Size - For Saving a Little Money

An economical, eco-friendly, and increasingly popular choice, many are choosing to use RSVP post cards. This eliminates the mailing envelope and reduces postage costs.

A2 wedding post card rsvp card

What size is a post card? The USPS has the following post card size requirements:

Rectangular card, at least:

  • 3 1/2 inches tall
  • 5 inches long
  • 0.007 inches thick

Postcards can be no more than:

  • 4 1/4 inches tall
  • 6 inches long
  • 0.016 inches thick

Measuring 4 1/4 x 5 1/2 inches, A2 cards are a standard post card size and an easy choice for wedding rsvp postcards.

However, any card that fits within these post card size requirements can be mailed without an envelope and with a single, economical post card stamp.