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Handwritten Card with Envelope Design & Mailing Specs

Design

A
Written by Adam Rutkowski

Overview

Our handwritten card with envelope is the most personal and premium option in the LettrLabs lineup. Each card is written in one of our 60+ handwriting styles, placed into an A8 invitation-style envelope, and finished with a real USPS stamp. This format is ideal when authenticity, intimacy, and high response rates are your goal.

Whether you’re thanking customers, following up on a high-value lead, or sending a win-back offer, handwritten cards stand out in the mailbox and make a lasting impression.

Typical Use Cases

  • Thank You Notes: Build loyalty by acknowledging purchases, donations, or referrals.

  • High-Value Prospecting: Reach decision-makers with a tactile, human touch.

  • Win-Back Campaigns: Re-engage lapsed buyers with a personal message and offer.

  • Event Invitations: Add prestige with an envelope-delivered invite.

  • Nonprofit Fundraising: Pair a heartfelt message with a donation appeal.

Dimensions

Design Area

Dimensions

Notes

Full Bleed Size

7.7" x 5.5"

Extend background colors or images fully to avoid white edges.

Final Trim Size

7.5" x 5.3"

Final cut size of the card.

Safe Zone

7.3" x 5.1"

Keep all critical text/logos inside this area to prevent trimming.

Product Specs

Specs

Details

Envelope

A8 (5.5" x 8.125") premium invitation envelope

Stamp

Physical USPS “live” stamp included

Paper Stock

Thick 100# card stock for durability and a premium feel

Handwriting Styles

Choose from 60+ handwriting styles

Handwritten Characters

500 included (option to expand up to 800 characters for $0.25 per 150)

Text Color

Blue ink (standard)

Printing

Ultra HD color printing on rear side for logos, QR codes, or designs

Quick Reference

  • Full Bleed Size: 7.7” x 5.5”

  • Trim Zone: 7.5” x 5.3”

  • Safe Zone: 7.3” x 5.1”

  • Envelope: A8 invitation style

  • Stamp: Real USPS stamp included

Download the Design Template

Click below to access the Canva template for handwritten cards. It includes pre-set trim zones, safe area guides, and bleed margins — so you can design confidently without risking cut-off text or logos.

Need Help?

Not sure if your design meets mailing guidelines or want advice on formatting your message? Contact our team — we’re here to make sure your handwritten cards look perfect and get delivered on time

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