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23
Sep

Brochure vs. Flyer vs. Postcard — Which One Should You Use for Your Event or Promo?

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Mercury Press > Blog > Direct Mail > Brochure vs. Flyer vs. Postcard — Which One Should You Use for Your Event or Promo?

By Mercury Press Plus Production Team
20+ years of combined experience in print, direct mail, and marketing campaigns across Oklahoma

Table of Contents

  1. What Is a Brochure?
  2. What Is a Flyer?
  3. What Is a Postcard?
  4. Quick Comparison Table
  5. Mailing & EDDM Rules (with Sources)
  6. Cost & ROI: When Each Format Wins
  7. Design & Tracking: Step-by-Step
  8. FAQs
  9. Conclusion & Call-to-Action

What Is a Brochure?

  • Definition: A folded piece (bi-fold, tri-fold, or custom) with space for detailed storytelling.
  • Best For: Service businesses, real estate, financial services, multi-offer promos.
  • Pros: Professional, flexible layouts, longer shelf life.
  • Cons: Higher per-unit cost and design time.

Experience insight: At trade shows and open houses, brochures serve as a leave-behind that keeps your brand visible after the event.

What Is a Flyer?

  • Definition: A single sheet (often 8.5″ × 11″) for fast distribution.
  • Best For: Grand openings, concerts, seasonal specials, community events.
  • Pros: Lowest unit cost at volume, quick to print, easy to hand out.
  • Cons: Can feel disposable unless the design and offer are strong.

What Is a Postcard?

  • Definition: Thick cardstock mailer (commonly 4″ × 6″ or 6″ × 9″) that arrives without an envelope.
  • Best For: Direct mail, Every Door Direct Mail (EDDM), coupons, appointment reminders.
  • Pros: Highly visible in the mailbox, durable, affordable to mail.
  • Cons: Limited space—focus on one message and CTA.

Quick Comparison Table

FeatureBrochureFlyerPostcard
Best UseDetailed services & storytellingQuick, mass awarenessDirect mail & offers
Cost$$–$$$$$–$$
SpaceMulti-panel (folded)One sheetLimited
DistributionHandouts, packetsHandouts, events, countersMailboxes, EDDM
Design ComplexityHighMediumLow–Medium

Mailing & EDDM Rules (with Sources)

  • First-Class Postcards (commercial/presort): Max 6″ × 9″; thickness 0.007–0.016″ (≥ 0.009″ if taller than 4.25″ or longer than 6″). Cite this when you list sizes on your service pages. Postal Explorer+1
  • EDDM-Retail Flats: Weight ≤ 3.3 oz and at least one dimension must exceed letter size (length > 10.5″ or height > 6.125″ or thickness > 0.25″). Quantity: 200+ pieces (or 50 lbs) up to 5,000/day per ZIP. Postal Explorer
  • Targeting: USPS EDDM tool lets you map ZIPs and filter by age, income, household size using Census data (great proof point for local campaigns). USPS

Tip: Always confirm dimensions and thickness with your printer before you design—going outside these specs can trigger reprints or surcharges. Postal Explorer

Cost & ROI: When Each Format Wins

  • Postcards: Often the best ROI for local markets because they’re concise, visible (no envelope), and cost-efficient to mail—ideal for announcements and foot-traffic events. business.com
  • Flyers: Win on volume + speed for events and in-store distribution.
  • Brochures: Worth the higher unit cost when credibility and detail matter (multi-service or higher-ticket offers).

(If you keep internal outcome numbers, label them clearly as “internal case data (non-generalizable)” to avoid overstating claims.)

Design & Tracking: Step-by-Step (Deeper, Actionable)

  1. Define the goal + audience (awareness vs. response; in-store vs. mailbox).
  2. Pick the format + size that matches the goal and USPS rules (e.g., 6″ × 9″ postcard for First-Class or 6.25″ × 9″–12″ × 15″ for EDDM flats). Postal Explorer+1
  3. Craft one bold CTA (phone, QR to landing page, coupon code).
  4. Track it: Use QR codes + UTM parameters; mirror the offer on a dedicated landing page.
  5. Prep print-ready files: Correct bleed/margins, 300 DPI images, safe zones; confirm thickness (≥0.007″ postcard; ≥0.009″ if >4.25″ × 6″). Postal Explorer
  6. Mailing details: For EDDM, confirm weight (≤3.3 oz), bundle counts, and route selections in the USPS tool. Postal Explorer+1

Frequently Asked Questions

What’s the difference between a flyer and a brochure?
A flyer is a single sheet for quick distribution; a brochure is folded and gives you more room for detail and images—better for explaining services or multi-offer campaigns.

Is postcard marketing effective?
Yes—industry guidance notes postcards often deliver better ROI in local markets because they’re concise and highly visible in the mailbox. business.com

Can I mail brochures with EDDM?
Yes, if the piece qualifies as a flat (e.g., >10.5″ length or >6.125″ height or >0.25″ thickness) and meets the ≤3.3 oz weight limit and other EDDM-Retail rules. Postal Explorer

What sizes are allowed for First-Class postcards?
To get card pricing, postcards can be up to 6″ × 9″ and 0.007–0.016″ thick (≥0.009″ if taller than 4.25″ or longer than 6″). Postal Explorer

Conclusion & Call-to-Action

The right format depends on your goal, budget, and audience. Choose brochures when you need space to explain, flyers when you need mass visibility, and postcards when you want guaranteed mailbox delivery—with EDDM targeting to reach the right neighborhoods.

👉 Ready to get started? Mercury Press Plus makes it simple. From design to printing to mailing, we’ll recommend the right format and handle the details—so you get results you can measure.
📞 Call (405) 682-3468 today or request your free quote online.