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Photo Frames: How to Choose the Right Size, Mat and Glazing

Match the frame opening to your print, then choose a mat, glazing and materials based on the image and its display conditions.

By ThatPainter Team 3 min read
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Choose a photo frame by matching its image opening to your print, then decide whether a mat, protective glazing or preservation-grade materials suit the photograph and where it will be displayed. Check whether a listed size refers to the image opening, mat window or frame’s outside dimensions; those measurements are not interchangeable.

What size photo frame do I need?

Measure the print itself and compare that measurement with the frame’s stated image opening. A frame’s outside dimensions describe how much wall or tabletop space it takes up, not the size of print it holds. If the frame includes a mat, check the mat-window size as well: the window may cover a portion of the print edge.

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  • Print: Confirm its dimensions and aspect ratio.
  • Image opening: Make sure the frame is intended for that print size.
  • Mat window: Check how much of the image or edge will remain visible.
  • Placement: Confirm wall or tabletop use, orientation, and the frame’s overall footprint.

For example, when shopping for a 4×6 photo frame, verify that “4×6” means the intended image opening and not the outside dimensions or a mat window. There is no universal size chart established here, so rely on the measurements in the specific listing.

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  • CLASSIC & DURABLE: With sturdy frame, high definition cover, safe packing, upsimples picture frame will protect your photo and give a clear view.
  • DOUBLE SIZE DESIGN: Black 11x14 inch picture frame perfects for Pictures 8x10 with Mat or 11x14 Without Mat. The display size will be 0.5inch smaller than the photo size to better stable the photo and prevent it from falling off.
  • EASY MOUNTING: Spring type action to remove the backing, can be hung horizontally or vertically.
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Should a photo touch the glass in a frame?

For an original or a photograph you want to protect, use a window mat or spacers to keep the glazing from touching its surface. The National Archives and Records Administration advises: “Use a window mat or spacers, so the glass or acrylic is not touching the surface of the original.” A mat also changes the visible composition by covering part of the print edge; consider that when choosing the opening.

This precaution is especially relevant to preservation-conscious framing. A casual, replaceable print does not necessarily require museum-grade materials, but keeping glazing off a valuable photograph helps avoid direct contact.

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Americanflat 11x14 Picture Frame - Matted to 8x10 - Engineered Wood - Black
  • Your cherished memories deserve a timeless frame. Highlight your favorite moments with this sleek black frame, designed to add a refined look to your home or office.
  • Our 11x14 frame with classic molding is crafted from engineered wood (MDF) and displays 11x14 photos or 8x10 photos with mat (actual mat size: 7.5x9.5"). The shatter-resistant glass adds a pristine finish, making this frame truly stand out.
  • Display it your way with ease! The black picture frame includes hanging hardware for both vertical and horizontal placement, ensuring quick, hassle-free installation on any wall so your favorite memories will always be beautifully showcased.
  • Say goodbye to boring walls with these gallery-style frames. They make your photos or artwork look so good that you’ll wonder why you didn’t start framing things sooner. Its elevated design adds a modern touch to any space.
  • Why Choose Americanflat: Our expertly crafted decor, including this picture frame, offers style and protects your cherished moments. Thoughtfully packaged for safe delivery, Americanflat combines quality and design to enhance any space.

Do I need UV glass for a photo?

Consider UV-filtering glass or acrylic for a valuable photograph displayed where sunlight or fluorescent lighting is present. The National Archives and Records Administration says: “Use ultraviolet filtering glass or acrylic in the frame.” UV filtering is not a guarantee against fading or other light-related damage: the Archives also recommends limiting both the duration and intensity of light exposure.

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For a photograph with historical, sentimental or monetary value, think about the whole display environment as well as the glazing. A protective pane cannot make prolonged, intense exposure risk-free.

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Americanflat 11x14 Picture Frame - Matted to 5x7 - Engineered Wood - Black
  • Your cherished memories deserve a timeless frame. Highlight your favorite moments with this sleek black frame, designed to add a refined look to your home or office.
  • Our 11x14 frame with classic molding is crafted from engineered wood (MDF) and displays 11x14 photos or 5x7 photos with mat (actual mat size: 4.5x6.5"). The shatter-resistant glass adds a pristine finish, making this frame truly stand out.
  • Display it your way with ease! The black picture frame includes hanging hardware for both vertical and horizontal placement, ensuring quick, hassle-free installation on any wall so your favorite memories will always be beautifully showcased.
  • Say goodbye to boring walls with these gallery-style frames. They make your photos or artwork look so good that you’ll wonder why you didn’t start framing things sooner. Its elevated design adds a modern touch to any space.
  • Why Choose Americanflat: Our expertly crafted decor, including this picture frame, offers style and protects your cherished moments. Thoughtfully packaged for safe delivery, Americanflat combines quality and design to enhance any space.

Which framing materials are suitable for valuable photographs?

Preservation-conscious framing depends on the materials that surround the photograph, including the mat board, backing, hinges and glazing. National Archives and Library of Congress guidance points to chemically stable materials and photo-suitable mat board rather than treating the frame moulding alone as protective.

  • Mat board: National Archives guidance calls for cotton rag or 100% chemically purified pulp, buffered or pH-neutral/acid-free, and passed by the Photographic Activity Test for use with photographs. The Library of Congress describes cotton rag or chemically purified, lignin-free wood pulp that is neutral or slightly alkaline and has passed that test.
  • Glazing: The Library of Congress recommends UV-opaque acrylic and spacing between the object and glazing for preservation framing.
  • Other surrounding materials: Consider the backing and hinges as part of the material choice; preservation guidance emphasizes chemical stability throughout the framing assembly.

These are preservation recommendations for photographs that warrant extra care, not a requirement that every everyday print be framed to archival standards.

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  • MULTIPLE FRAMES COLLAGE: Bulk of 5 pieces picture frames set in the same sizes. Perfect for pictures 8x10 with mat or 11x14 without mat. The frame opening display size will be 0.5 in smaller than the photo to hold the photo in place
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Is glass or acrylic better for a picture frame?

Neither material is best for every image and display location. The choice depends on the photograph or other medium, the surrounding materials and the protection priorities. Acrylic is an option in preservation framing, but it is not suitable for every kind of artwork: the National Archives cautions against acrylic for pastels and other powdery or flaking media because static electricity can be generated. If the frame will hold something other than a photograph, take the medium into account before choosing glazing.

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When does custom or digital framing make sense?

Custom framed prints

A custom framed-print service combines printing and framing and can be useful when you want a made-to-order finished product or have an unusual size. Shutterfly’s framing guide discusses sizing, mats and framing-grade acrylic, but service details, prices, geographic availability and suitability vary; check the current terms before ordering.

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  • CLASSIC & DURABLE: With sturdy frame, high definition cover, safe packing, upsimples picture frame will protect your photo and give a clear view.
  • DOUBLE SIZE DESIGN: Black 16x20 inch picture frame perfects for Pictures 11x14 with Mat or 16x20 Without Mat. The display size will be 0.5inch smaller than the photo size to better stable the photo and prevent it from falling off.
  • EASY MOUNTING: Spring type action to remove the backing, can be hung horizontally or vertically.
  • GIFT & BE MERRY: upsimples 16x20 frame set not only the simple yet classic design for any home or office decor, but also a heartfelt gifts for everyone.
  • INTACT PARTS AND PACKING: Protective Packaging let you don't have to worry about receiving damaged products

Digital photo frames

A digital frame is a separate option for rotating a collection of images instead of displaying one fixed print. Digital Camera World’s October 2026 guide identifies screen size, display technology, orientation, aspect ratio and connectivity as factors to consider. Check current model specifications and features before buying.

Sources

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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