{"product_id":"21x34-deep-blue-midnight-blue-custom-mat-for-picture-frame-clean","title":"21x34 Deep Blue \/ Midnight Blue Custom Mat for Picture Frame - Clean","description":"\u003cp\u003eOur review of the 21x34 Deep Blue \/ Midnight Blue Custom Mat focuses on practicality for hobbyists and small frame shops who need a reliably cut mat without buying a frame. The bottom line: this mat is for anyone who already owns a 21x34 frame and wants a precise 17x30 photo opening with classic color accuracy. The mat is made from a standard 4 ply material used in custom frame shops and is both lignin-free and pH-neutral, so it delivers archival-friendly mounting and a professional look without the expense of a full custom framing job.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial quality:\u003c\/strong\u003e The 4 ply construction gives a solid, flat surface that behaves like a shop-cut mat and resists warping over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArchival composition:\u003c\/strong\u003e Being lignin-free and pH-neutral safeguards prints and photographs from acid damage when mounted long term.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame compatibility:\u003c\/strong\u003e Cut to fit a 21x34 frame so installation is straightforward for standard frame interiors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhoto opening accuracy:\u003c\/strong\u003e Sized to accommodate a 17x30 photo with an actual opening of 16.75x29.75 for a clean reveal and precise margins.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor fidelity:\u003c\/strong\u003e The deep blue \/ midnight blue surface reproduces predictable, classic tones that reviewers say photograph and display accurately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom options:\u003c\/strong\u003e Custom opening sizes are available on request, which is useful when a nonstandard cut is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis mat is suited to DIY framers, artists, photographers, and small shops that need a dependable, shop-standard mat without waiting for a full custom build. It fits customers who already own a 21x34 frame and want an exact 17x30 photo presentation with archival materials and a classic color.\u003c\/p\u003e\n\u003cp\u003eIt is less suitable for buyers who need a complete framed piece, those who require unconventional bevel designs not supported by a standard cut, or shoppers who want multiple mats layered as a finished product; in those cases a full custom framing service may be a better solution.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-quality 4 ply construction that reviewers call durable and shop-standard.\u003c\/li\u003e\n\u003cli\u003eArchival, lignin-free and pH-neutral materials protect artwork and photos over time.\u003c\/li\u003e\n\u003cli\u003eAccurate opening and outer dimensions make installation predictable and neat.\u003c\/li\u003e\n\u003cli\u003eTrue deep blue \/ midnight blue color reproduces well and looks professional.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSold as mat only; frame must be purchased separately which adds cost for some buyers.\u003c\/li\u003e\n\u003cli\u003eOpening is slightly smaller than nominal photo size (actual 16.75x29.75), which requires attention when mounting thicker mounts or very exact margins.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct type\u003c\/td\u003e\n\u003ctd\u003eMat only (frame not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter size\u003c\/td\u003e\n\u003ctd\u003e21x34 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntended photo size\u003c\/td\u003e\n\u003ctd\u003e17x30 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual opening size\u003c\/td\u003e\n\u003ctd\u003e16.75x29.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStandard 4 ply mat board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComposition\u003c\/td\u003e\n\u003ctd\u003eLignin-free, pH-neutral\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCustom options\u003c\/td\u003e\n\u003ctd\u003eCustom opening sizes available on request\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eFor DIY framers and small shops needing a dependable, archival mat for a 21x34 frame, this deep blue mat is a strong value: the cut quality, accurate measurements, and stable 4 ply material deliver a professional finish without expensive framing. Buyers should note it is mat only, but for those who already have a frame or plan to pair it with a separately purchased frame, it is a practical, attractive choice.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this mat fit a 21x34 frame?\u003c\/strong\u003e\u003cbr\u003eYes, the mat is cut to fit a 21x34 frame and is intended for that frame interior size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the actual photo opening size?\u003c\/strong\u003e\u003cbr\u003eThe actual opening is 16.75x29.75 in, sized to present a 17x30 photo with proper reveal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I request a custom opening?\u003c\/strong\u003e\u003cbr\u003eYes, custom opening sizes are available upon request if you need a different reveal or nonstandard photo size.\u003c\/p\u003e","brand":"ArtToFrames","offers":[{"title":"Default Title","offer_id":48235779915995,"sku":"B01B39HJIM","price":35.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/614HJirXCXL._AC_SL1500_133936c0-ebc4-47c8-880d-3209812b40db.jpg?v=1770828537","url":"https:\/\/gearmusthave.com\/products\/21x34-deep-blue-midnight-blue-custom-mat-for-picture-frame-clean","provider":"GearMustHave","version":"1.0","type":"link"}