9x31 Inch Black Picture Frame - 1.25 in MDF Poster Frame

Our review of the 9x31 Inch Black Picture Frame finds it best suited for anyone who needs a narrow, long frame for posters, certificates, panoramic photos or craft displays; the single biggest reason to buy is the clean, slim 1.25 in MDF profile paired with 060 plexi glass that protects artwork while keeping weight low. The frame's 9 in x 31 in opening (or 31 in x 9 in orientation) and modest black finish make it a versatile choice for hallways, studios, offices and gallery walls where a contemporary, unobtrusive look is required.

Key Features

• Size: The 9 in x 31 in opening fits long, narrow prints and panoramas without cropping, so you can display specialty posters or diplomas that standard frames do not accommodate.
• Material: The MDF construction offers a smooth, uniform finish and a sturdy outer profile that resists warping better than thin plastic alternatives.
• Profile: The 1.25 in wide moulding and 0.75 in depth provide a slim, modern edge that keeps attention on the artwork rather than the frame itself.
• Protective glazing: The included 060 plexi glass protects against dust and light handling while remaining lighter and safer than traditional glass for wall installations.
• Backing: Corrugated backing secures the print in place and reduces shipping damage risk while keeping the overall weight manageable for easy hanging.

Who It's For

The frame is ideal for photographers, crafters and home decorators who have a long, narrow print or a horizontal panorama to show off, and who want a minimalist black surround that works with both color and black-and-white images. It also suits offices and schools seeking a low-cost, neat solution for certificates or elongated documents where a standard frame would look bulky.

Those who should look elsewhere include collectors needing ornate or museum-grade framing, or buyers who require real glass or archival matting and liners; this frame is built as a practical, modern display option rather than a conservation-grade system.

Pros & Cons

Pros

• Simple black MDF profile gives a contemporary, unobtrusive presentation for a wide range of artwork.
• Included 060 plexi glass reduces weight and breakage risk, making wall mounting easier and safer.
• Corrugated backing and a 0.375 in rabbet keep prints held securely and minimize shifting inside the frame.

Cons

• Not intended as archival or museum-grade framing; no mention of acid-free backing or matting for conservation needs.

Specifications

Brand	ArtToFrames
Frame opening	9 in x 31 in (fits 31 in x 9 in orientation)
Material	MDF moulding
Moulding width	1.25 in
Depth	0.75 in
Rabbet depth	0.375 in
Glazing	060 plexi glass
Backing	Corrugated backing

Our Verdict

For anyone needing a slim, long frame that is lightweight and straightforward to hang, this 9x31 black MDF frame is a practical, good-value option that protects prints with plexi glazing while offering a clean, modern look. It is not a conservation solution, but for home, office or casual gallery display it delivers reliable fit and finish without unnecessary complexity.

Frequently Asked Questions

Will this frame fit a 31 in x 9 in print?
Yes; the opening is 9 in x 31 in and the print can be displayed in either orientation.

What kind of glass does it include?
The frame includes 060 plexi glass, which is lighter and less breakable than traditional glass.

Is the backing archival?
No; the supplied corrugated backing secures the print but is not specified as acid-free or archival.