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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.

(50 Pack) Black & Black Foiled Contemporary Strut Mounts

SKU
STRUTBMCH

1240gsm black recycled strut mounts with a subtle black foil line set back from the aperture. Designed for clean, professional photo presentation.

Portrait or landscape.
Pack of 50

Grouped product items
Product Name Qty
4x6" (10x15 cm) Black/Black Contemporary strut mounts - 50 pack (5491H)
£17.37
5x7" (13x18 cm) Black/Black Contemporary strut mounts - 50 pack (5492H)
£22.37
Out of stock
6x8" (15x20 cm) Black/Black Contemporary strut mounts - 50 pack (5493H)
£23.87
6x9" (15x23 cm) Black/Black Contemporary strut mounts - 50 pack (5494H)
£24.44
Out of stock
8x10" (20x25 cm) Black/Black Contemporary strut mounts - 50 pack (5495H)
£29.02
8x12" (20x30 cm) Black/Black Contemporary strut mounts - 50 pack (5496H)
£43.24
Out of stock

Stimolantè’s Black Contemporary strut mounts are designed for photographers who want presentation that’s clean, modern, and quietly confident. Made from 1240gsm black recycled board and finished with a subtle black foil line around the aperture, they give your prints a polished, professional look without drawing focus from the image itself.

Like all our strut mounts, they’re precision cut to ensure a secure fit and can be used in either portrait or landscape orientation. The Contemporary Black style is ideal for studios, events, and branding work where a refined, monochrome finish is part of the visual appeal.

Sizes listed refer to the photo insert size — the print dimensions that fit inside the mount. For full outer measurements, see our Size Chart.

This 50-pack is a great choice for photographers working on smaller sessions, limited-edition projects, or topping up between larger jobs, with no compromise on quality or consistency. Made from fully recycled board and finished using natural dyes, they’re a sustainable choice trusted by professionals across the UK.

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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.
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