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40x40cm Picture Mounts With 30x30cm Aperture

Browse our collection of 40x40cm picture mounts with 30x30cm aperture. It is a beautifully proportioned square mount that fits inside 40x40cm picture frames and presents a 30x30cm image with a clean, even border on all four sides. Square formats carry a distinct visual quality that standard rectangular frames and picture mounts cannot replicate. This combination showcases that quality perfectly. It is a natural fit for square-format photography, Instagram-style prints, and artwork that emphasizes symmetry and balance. With 10 mount colours spanning everything from the warmth of Ivory and Pompadour to the striking depth of Crimson and Black, finding the right finish for your display is a genuinely enjoyable decision. Explore the full collection below and find the perfect mount for your frame.

Elegant framed wall art in a luxury interior

Curated for interiors

Modern profiles, clean finishes and standard UK sizes.

10
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1 - 10 of 10 products

Ivory 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Photos & Artwork Ivory 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Photos & Artwork

Ivory 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Photos & Artwork

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£5.49

Shop our ivory 40x40cm picture mount with an 30x30cm aperture, made from acid-free board to protect photos and artwork. Perfect for 40x40cm Picture frames.

Crimson 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Photos & Artwork Crimson 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Photos & Artwork

Crimson 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Photos & Artwork

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£5.49

Shop our crimson 40x40cm picture mount with an 30x30cm aperture, made from acid-free board to protect photos and artwork. Perfect for 40x40cm Picture frames.

Emerald (Green) 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Photos & Artwork Emerald (Green) 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Photos & Artwork

Emerald (Green) 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Photos & Artwork

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£5.49

Shop the emerald green 40x40cm picture mount with a 30x30cm aperture, made from acid-free board to protect and enhance photos, posters, and artwork. Shop now!

Silver 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Picture Frames Silver 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Picture Frames

Silver 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Picture Frames

  • (0) Reviews
£5.49

Shop the silver 40x40cm picture mount with a 30x30cm aperture, made from acid-free board to protect and enhance photos, posters, and artwork. Shop now!

Mid Grey 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Picture Frames Mid Grey 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Picture Frames

Mid Grey 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Picture Frames

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£5.49

Shop our mid grey 40x40cm picture mount with an 30x30cm aperture, made from acid-free board to protect photos and artwork. Perfect for 40x40cm Picture frames.

Black 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Picture Mount Board Black 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Picture Mount Board

Black 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Picture Mount Board

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£5.49

Shop the black 40x40cm picture mount with a 30x30cm aperture, made from acid-free board to protect and enhance your photos and artwork. Order now!

Ice White 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Photos & Artwork Ice White 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Photos & Artwork

Ice White 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Photos & Artwork

  • (0) Reviews
£5.49

Shop the ice white 40x40cm picture mount with a 30x30cm aperture, made from acid-free board to protect and enhance photos, posters, and artwork. Shop now!

Pompador 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Picture Frames Pompador 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Picture Frames

Pompador 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Picture Frames

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£5.49

Shop the pompadour 40x40cm picture mount with a 30x30cm aperture, made from acid-free board to protect and enhance photos, posters, and artwork. Shop now!

Poppy Red 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Picture Mount Board Poppy Red 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Picture Mount Board

Poppy Red 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Picture Mount Board

  • (0) Reviews
£5.49

Shop the poppy red 40x40cm picture mount with a 30x30cm aperture, made from acid-free board to protect and enhance your photos and artwork. Order now!

Blue 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Picture Frames Blue 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Picture Frames

Blue 40x40cm Picture Mount With 30x30cm Aperture | Acid-Free Mat Board For Picture Frames

  • (0) Reviews
£5.49

Shop the blue 40x40cm picture mount with a 30x30cm aperture, made from acid-free board to protect and enhance photos, posters, and artwork. Shop now!