How to Design Your Own Flag - Complete Guide (with Standard Sizes & Formats)

Designing a flag properly is a balance of visual impact, practicality, and production method. Most poor flags fail because they’re designed like posters rather than functional products. This guide keeps you on track.

1. Define the Purpose First

Be clear on where and how the flag will be used:

• Business branding (forecourts, buildings, exhibitions)
• Events (sports, festivals, promotions)
• Clubs or organisations (identity, heritage)

This directly affects size, shape, material, and finishing.

2. Keep the Design Simple and Bold

Flags move, fold, and are viewed at distance.

What works:

• 2–3 strong colours
• High contrast
• Large, bold shapes

What doesn’t:

• Small text
• Fine detail
• Complex gradients

If it doesn’t read instantly from 20–30 metres away, it’s not right.

3. Use the Correct Proportions

Most flags follow a 2:1 ratio (Fly : Hoist), which your size list reflects.

• Fly = width (left to right)
• Hoist = height (pole side)

Design within that proportion from the start to avoid distortion later.

4. Standard Flag Sizes (UK - Based on Your Range)

Here are your standard sizes, correctly structured:

Practical rule:
For flagpoles, aim for 1 foot of flag width per 10 feet of pole height.

See our flag size guide

5. Choose the Right Flag Type

Not all flags are rectangular. Choosing the right format is just as important as the design.

Rectangular Flags (Standard)

• Most common format
• Ideal for national flags, branding, and general use

👉 Browse: Custom Printed Flags
👉 Browse: Custom Sewn Flags

Yacht Club Burgees (Triangular Flags)

• Typically triangular or swallowtail
• Used by sailing clubs and marine organisations
• Simple designs work best due to shape

👉 Browse: Custom Yacht Club Burgees

Ceremonial & Indoor Flags

• Used in offices, council buildings, schools
• Often include fringe and pole kits
• Higher quality finish required

👉 Browse: Ceremonial & Indoor Flags

Feather, Teardrop & Banner Flags

• Designed for maximum visibility and branding
• Always under tension (so more detail can work)
• Ideal for retail, events, and forecourts

👉 Browse: Feather, Teardrop & Banner Flags

Full Range of Custom Products

If you’re not sure what format suits your use:

👉 Browse: All Custom Flag Products

6. Printed vs Sewn - Critical Decision

Printed Flags

• Best for logos, detailed artwork, gradients
• Cost-effective and flexible
• Typically knitted polyester (lightweight)

Sewn Flags (Appliqué)

• Premium stitched construction
• Best for bold, simple designs
• More durable for long-term outdoor use

7. Material Selection

• Knitted Polyester (approx. 115gsm)
  Lightweight, great for movement and printed designs
• Woven Polyester (heavier duty)
  Stronger, longer lifespan, ideal for permanent flags

8. Finishing Options

Choose based on how the flag is mounted:

• Rope & Toggle (standard flagpole use)
• Eyelets (versatile fixing)
• Sleeves (for banner poles and feather flags)

9. Artwork Files - Get This Right First Time

This is where most delays happen.

Best formats:

• Vector files: AI, EPS, SVG (preferred)
• High-resolution PDF also acceptable

Key requirements:

• Convert all fonts to outlines
• Provide colours in CMYK or Pantone (C)
• Avoid RGB files (colours will shift in print)
• Minimum 300dpi if using raster images
• Supply artwork to the correct ratio (2:1)

Common issues:

• Low-resolution logos
• Missing fonts
• Colours not matching expectations
• Artwork not scaled correctly

If in doubt, it’s better to send what you have and get it checked before production.

10. Final Advice - Design for Impact

A successful flag does three things well:

1. Visible at distance
2. Readable in motion
3. Appropriate for its environment

Overcomplicating it is the fastest way to ruin it.

Need Help?

If you’re unsure on design, size, or format, get it reviewed before ordering.

A small adjustment early on will save you money and give you a far better result.