logo header
Log In
Classified Information adult birthday invitation with vintage folder design featuring top secret stamp and serif typography in beige and burgundy.

Adult Birthday InvitationClassified Information

By Claudia Owen
Starting at $19 for 20 guestsView pricing
If you're hosting a top secret celebration, then this is the perfect invitation for you! The invitation is fun and reminiscent of a classified folder containing top secret documents. The text layout is simple and similar in style to a typical top secret folder. It also features a top secret stamp and it is available in a variety of colors.

What is included

  • Digital delivery via email, text, or shareable link
  • Real-time open and delivery tracking
  • RSVP management and guest list dashboard
  • Meal selection and dietary preferences
  • Guest messaging
  • Unlimited customization (colors, fonts, layout)
  • Eco-friendly — no paper, no postage

Specifications

Delivery
Email, text message, or shareable link. Opens as an animated envelope on any device.
Dimensions
1710 x 2430 px (portrait)
Language
English
Editable fonts
Playfair Display, Bebas Neue, and American Typewriter, fully editable
Guest list
Send to 10 guests in trial mode, no credit card required. Paid packages start at 20 guests and scale to your event.
Animation
7 second envelope opening experience with matching liner and background reveal
RSVP and tracking
Built-in RSVP with real-time open tracking, meal preference questions, and automatic reminders.
Available colors
Creme, Yellow, Orange, Green, Blue
Designer
Claudia Owen. Hand-crafted artwork, no AI-generated designs.

Pricing

Per-event pricing starting at $19 for 20 guests, scaling in 20-person increments. All features included at every tier.

View full pricing

Filter By ( )

Loading...

Pricing for Invitations & Memberships

  • 4.9/5

    Trustpilot Rating

  • 2M+

    Pounds of Paper Saved

  • 1M+

    Events Created

  • 100%

    Ad-Free, Always

“After looking at Evite and Paperless Post I found that Greenvelope had the best designs in the style I was looking for.”

Sue

5/5 on Trustpilot

“Greenvelope worked out so well for our company event. 100 guests for formal party which required RSVP. Beautiful graphics to choose from.”

Wendy Wilson

5/5 on Trustpilot

“In the past we've used Evite for our company Christmas party but this year we decided to try Greenvelope. Greenvelope is more user friendly.”

Caitlin

5/5 on Trustpilot

Ready to See the Difference?

Browse wedding invitations, birthday party invitations, or explore all designs to find the perfect match for your event.

Try Greenvelope for yourself with no time limit and no credit card required.