Pre-Cut Mat Board for 17x21 Print, Fits 20x24 Frame - Polar White

In this review of the Craig Frames B097 pre-cut mat board, the bottom line is simple: this is a reliable, professional mat for anyone framing a 17x21 print who wants a clean presentation without custom cutting. The matting fits a 20x24 frame and the opening is prepared so an 17x21 image will be shown neatly; the actual aperture is slightly smaller to keep prints from slipping through. For hobby framers, photographers preparing prints for display, and small galleries needing consistent results, this mat is worth considering.

Key Features

• Frame compatibility: Designed to fit a 20x24 frame so users can buy with confidence about sizing when sourcing frames separately.
• Display opening: The visible opening is sized to present a 17x21 print while the actual cut is 16.5x20.5 in to prevent the image from falling through the opening.
• Single-opening convenience: The listing includes one custom-cut, single-opening mat which keeps the purchase straightforward for one image display.
• Material finish: Polar White mat with a smooth finish and a light cream core provides a neutral, professional backdrop for prints and photos.
• Conservation properties: pH neutral board helps maintain the appearance of prints and reduces the risk of acid-related deterioration over time.
• Made in the U.S.A.: Manufactured domestically for consistent cut quality and material standards.

Who It's For

This mat is ideal for photographers, artists, and hobby framers who need a ready-made, archival-friendly mat to present a 17x21 print in a standard 20x24 frame. The pre-cut opening and smooth Polar White surface suit gallery submissions, portfolio presentation, or home display where a clean, neutral border is desired.

It is less suited to someone who needs multiple openings, unusual window shapes, or a nonstandard border width; those users should look for custom multi-opening mats or full custom cutting services. Also, buyers who expect the visible opening to equal the nominal print size should note the actual aperture reduction used to secure the print.

Pros & Cons

Pros

• High-quality smooth Polar White surface that looks professional in display.
• pH neutral construction preserves prints and supports archival framing.
• Pre-cut single opening simplifies framing a single 17x21 print in a 20x24 frame.
• Manufactured in the U.S.A., which lends consistency to the bevel cut and core finish.

Cons

• The actual opening is reduced to 16.5x20.5 in, so the visible area is slightly smaller than a full 17x21 print.
• Only a single opening is provided, so it is not intended for multi-photo layouts.

Specifications

Intended frame size	20x24 in
Designed display opening	17x21 in
Actual opening size	16.5x20.5 in
Color and finish	Polar White, smooth finish with light cream core
Acid properties	pH neutral
Included items	One custom-cut, single-opening mat
Manufactured	United States

Our Verdict

This pre-cut Polar White mat is a dependable choice for anyone framing a single 17x21 print in a 20x24 frame who wants a professional, archival presentation. Its smooth finish and pH neutral core make it good value for photographers and artists who prefer a ready-made option over custom cutting.

Frequently Asked Questions

Will a 17x21 print fit the opening exactly?
The mat is designed for a 17x21 display but the actual aperture is reduced to 16.5x20.5 in to secure the print and prevent it from falling through.

Does the package include the frame?
No, the mat fits a 20x24 frame but the frame is not included; purchasers should obtain a compatible frame separately.

Is the mat suitable for archival framing?
Yes, the board is pH neutral and suitable for professional presentation and longer-term preservation when used with proper backing and glazing.