{"product_id":"21x33-deep-blue-midnight-blue-custom-mat-for-picture-frame-clean","title":"21x33 Deep Blue \/ Midnight Blue Custom Mat for Picture Frame - Clean","description":"\u003cp\u003eIn this review of the 21x33 Deep Blue \/ Midnight Blue Custom Mat from ArtToFrames the bottom line is simple: this mat is for anyone who needs a precise, archival-looking mount for a 17x29 photo without buying a whole frame. The reviewer found the construction and color accuracy to be the biggest reasons to buy - the mat is made from standard 4 ply material used in custom frame shops and is described as lignin-free and pH-neutral, so it both looks professional and helps protect artwork. It arrives cut to fit a 21x33 frame and the opening is accurately sized.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard 4 ply construction:\u003c\/strong\u003e The multi-ply board gives a substantial, gallery-style edge that improves presentation and resists warping.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArchival materials:\u003c\/strong\u003e Lignin-free and pH-neutral composition helps preserve photos and prints for long-term display.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate opening:\u003c\/strong\u003e The mat is cut so a 17x29 photo fits; the actual opening measures 16.75x28.75 to allow for overlap and secure mounting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame compatibility:\u003c\/strong\u003e Sized to sit inside a 21x33 frame, making it a direct replacement when only the mat is needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor fidelity:\u003c\/strong\u003e The deep blue \/ midnight blue tone matches product images closely, delivering the expected aesthetic for classic or modern displays.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom cuts available:\u003c\/strong\u003e The manufacturer offers custom opening sizes on request for nonstandard projects or precise composition needs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis mat is aimed at hobbyists, photographers, and framers who want a professional-looking presentation without commissioning a full custom frame. Because it uses the same 4 ply board common in frame shops and is made from archival materials, it is well suited for preserving prints, photos, and limited editions.\u003c\/p\u003e\n\u003cp\u003eIt is not the best choice for someone who needs pre-mounted backing board, a complete frame, or an unusually shaped opening without requesting a custom cut. Buyers who need foam-core or heavyweight backing should look elsewhere, since this item is a mat only.\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 build quality from standard 4 ply material gives a finished, durable edge.\u003c\/li\u003e\n\u003cli\u003eArchival, lignin-free and pH-neutral materials protect artwork over time.\u003c\/li\u003e\n\u003cli\u003eOpening and outer dimensions are cut to predictable, accurate sizes for an easy fit in a 21x33 frame.\u003c\/li\u003e\n\u003cli\u003eColor and cut quality were praised by multiple customers for matching expectations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMat is sold alone and the product does not include a frame or backing, so additional purchases are required for complete framing.\u003c\/li\u003e\n\u003cli\u003eOne limitation is that the actual opening is slightly smaller than the nominal 17x29 to allow overlap, which some users must account for when arranging precise compositions.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eArtToFrames\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter size\u003c\/td\u003e\n\u003ctd\u003e21x33 in (fits 21x33 frame)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal photo fit\u003c\/td\u003e\n\u003ctd\u003e17x29 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual opening\u003c\/td\u003e\n\u003ctd\u003e16.75x28.75 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\u003eConservation\u003c\/td\u003e\n\u003ctd\u003eLignin-free and 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\u003eThe 21x33 Deep Blue \/ Midnight Blue mat is a smart, cost-effective choice for anyone needing a precise archival mat for a 17x29 photo. It delivers reliable cuts, true-to-photo color, and the conservation qualities expected from custom framing materials. Buyers who already have a frame or who plan to pair it with a separate backing will find it good value for the quality and fit.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this mat fit a 21x33 frame?\u003c\/strong\u003e\u003cbr\u003eYes, the mat is sized to fit inside a 21x33 frame and is intended as a replacement mat for that frame size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the actual photo opening size?\u003c\/strong\u003e\u003cbr\u003eThe actual opening measures 16.75x28.75 in so a 17x29 photo will overlap slightly for secure mounting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I get a different opening size?\u003c\/strong\u003e\u003cbr\u003eYes, custom opening sizes are available upon request from the seller for nonstandard projects.\u003c\/p\u003e","brand":"ArtToFrames","offers":[{"title":"Default Title","offer_id":48656126968027,"sku":"B01B39H5CC","price":34.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/614HJirXCXL._AC_SL1500_093de052-d586-4e1b-ac3f-3400823c106c.jpg?v=1778655730","url":"https:\/\/gearmusthave.com\/products\/21x33-deep-blue-midnight-blue-custom-mat-for-picture-frame-clean","provider":"GearMustHave","version":"1.0","type":"link"}