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Photo Mount Size Guide

Photo Mount Size Guide

When selecting a mount for your photographs or prints, it is important to understand two key measurements: the insert size and the outer mount size.

Mounts are typically named according to the photo size they hold, rather than their external dimensions.

1 Insert Size

The insert refers to the photograph or print that sits behind the mount aperture. The print should be slightly larger than the aperture opening so it remains securely positioned behind the mount.

Example: A mount designed for a 4×6" photograph will usually have an aperture slightly smaller than 4×6".

2 Mount (Outer) Dimensions

The outer dimensions describe the full size of the mount itself. These measurements are important when choosing suitable packaging or frames.

Packaging: Bags or envelopes should always be slightly larger than the mount's outer dimensions.
Framing: The frame opening should be large enough to accommodate the mount comfortably.
Mobile users: Swipe table left/right to see all columns →
Photo Size Mount Outer Size Clear Faced Bags Resealable Bags Self-Seal Poly Bags
2.5×3.5" (2-on) 195×225mm 5064BCLEAR 5087CLEAR RPB02
3×4 (4-on) 202×254mm 5065BCLEAR 5088CLEAR RPB02
3.5×5" (2-on) 214×145mm 5065BCLEAR 5088CLEAR RPB02
4×5" (2-on) 253×152mm 5065BCLEAR 5088CLEAR RPB02
4×6" 140×190mm 5063BCLEAR 5068CLEAR
  • RPB01
  • RPB06
5×7" 175×228mm 5064BCLEAR 5087CLEAR
  • RPB01
  • RPB04
  • RPB06
5×10" 175×304mm 5065BCLEAR 5090CLEAR RPB03
6×8" 205×251mm 5064BCLEAR 5087CLEAR
  • RPB02
  • RPB05
  • RPB06
6×9" 205×282mm 5065BCLEAR 5088CLEAR
  • RPB02
  • RPB05
6×12" 310×359mm 5066BCLEAR 5092CLEAR RPB03
7×10" 228×307mm 5065BCLEAR 5090CLEAR RPB03
8×10" 257×307mm 5065BCLEAR 5090CLEAR
  • RPB03
  • RPB05
  • RPB07
8×12" 257×360mm 5066BCLEAR 5092CLEAR
  • RPB03
  • RPB07
Note: Our sales team typically refers to the photo size when discussing mounts with customers.

Branded Black/Black Classic Mounts (Packs of 100)

SKU
STRUTBRK

Add your logo or personalised text to create a lasting impression!
Branding is available in multiple styles and foil colours, with your own reusable block.

Grouped product items
Product Name Qty
4x6 Branded Black/Black Mounts (100 Pack)
£29.74
5x7 Branded Black/Black Mounts (100 Pack)
£39.74
6x8 Branded Black/Black Mounts (100 Pack)
£42.74
6x9 Branded Black/Black Mounts (100 Pack)
£43.89
8x10 Branded Black/Black Mounts (100 Pack)
£53.04
8x12 Branded Black/Black Mounts (100 Pack)
£81.49

Custom Branding for Black Classic Strut Mounts

Turn every Black Classic strut mount into a powerful marketing tool that reflects your professionalism and leaves a lasting impact on clients.

With its thick black foil border and traditional presentation, the Classic Black mount naturally conveys quality and attention to detail. Adding your studio branding enhances this further, giving you a simple, subtle way to strengthen your identity with every photo you deliver.

Branding adds value beyond presentation, creating new opportunities for your business:

  • Build Client Loyalty Include your logo, contact details, or personalised text to keep your brand in clients’ minds whenever they admire their photos.
  • Encourage Referrals Branded mounts make your work instantly recognisable, helping your business reach new clients through word of mouth and visible credibility.
  • Showcase Professionalism The Classic style already communicates quality. With branding, it becomes an extension of your brand — polished, consistent, and memorable.
  • Offer a Personal Touch Add event dates, names, or meaningful text. It’s ideal for weddings, graduations, and other milestone moments where clients value keepsakes that feel personal.

Branding Options & Pricing

We offer four branding layout styles to suit different presentation needs:

  • L-Shaped Design – our most popular and versatile option
  • 45-Degree Corner – a modern take with subtle placement
  • Horizontal Under Aperture – aligned left, centre, or right
  • Back Branding – discreet placement for a clean front

Foil colours available:

  • Standard: Silver, Black, Clear (debossed)
  • On request: Gold and other colours

Pricing:

  • Free branding block when you order 10 boxes (1,000 mounts) branded in a single location
  • One-time £40 blocking fee per design (reusable for future orders)
  • For smaller quantities, a small charge of £5 per box

All branding is completed in-house for quality control and precision. Once created, your branding block can be used across future orders at no additional charge.

For details on how to submit your artwork, visit our Branding Information Page.

More Information
Photo Size (Mount) Various Sizes
Included Each box contains a pack of 100 black strut mounts with black blocking.
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Photo Mount Size Guide

Photo Mount Size Guide

When selecting a mount for your photographs or prints, it is important to understand two key measurements: the insert size and the outer mount size.

Mounts are typically named according to the photo size they hold, rather than their external dimensions.

1 Insert Size

The insert refers to the photograph or print that sits behind the mount aperture. The print should be slightly larger than the aperture opening so it remains securely positioned behind the mount.

Example: A mount designed for a 4×6" photograph will usually have an aperture slightly smaller than 4×6".

2 Mount (Outer) Dimensions

The outer dimensions describe the full size of the mount itself. These measurements are important when choosing suitable packaging or frames.

Packaging: Bags or envelopes should always be slightly larger than the mount's outer dimensions.
Framing: The frame opening should be large enough to accommodate the mount comfortably.
Mobile users: Swipe table left/right to see all columns →
Photo Size Mount Outer Size Clear Faced Bags Resealable Bags Self-Seal Poly Bags
2.5×3.5" (2-on) 195×225mm 5064BCLEAR 5087CLEAR RPB02
3×4 (4-on) 202×254mm 5065BCLEAR 5088CLEAR RPB02
3.5×5" (2-on) 214×145mm 5065BCLEAR 5088CLEAR RPB02
4×5" (2-on) 253×152mm 5065BCLEAR 5088CLEAR RPB02
4×6" 140×190mm 5063BCLEAR 5068CLEAR
  • RPB01
  • RPB06
5×7" 175×228mm 5064BCLEAR 5087CLEAR
  • RPB01
  • RPB04
  • RPB06
5×10" 175×304mm 5065BCLEAR 5090CLEAR RPB03
6×8" 205×251mm 5064BCLEAR 5087CLEAR
  • RPB02
  • RPB05
  • RPB06
6×9" 205×282mm 5065BCLEAR 5088CLEAR
  • RPB02
  • RPB05
6×12" 310×359mm 5066BCLEAR 5092CLEAR RPB03
7×10" 228×307mm 5065BCLEAR 5090CLEAR RPB03
8×10" 257×307mm 5065BCLEAR 5090CLEAR
  • RPB03
  • RPB05
  • RPB07
8×12" 257×360mm 5066BCLEAR 5092CLEAR
  • RPB03
  • RPB07
Note: Our sales team typically refers to the photo size when discussing mounts with customers.
Artwork Templates
pdf
Product Size Guide for Strutmounts, Clear Faced Bags, Resealable Bags and OPP Bags
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