{"product_id":"21x30-cinder-charcoal-custom-mat-for-17x26-opening-professional-mat","title":"21x30 Cinder Charcoal Custom Mat for 17x26 Opening - Professional Mat","description":"\u003cp\u003eIn this review of the 21x30 Cinder \/ Charcoal Custom Mat from ArtToFrames, the bottom line is simple: this is a solid, professional-grade mat for anyone framing large prints or photos who wants archival materials and a clean, tailored look. The mat is standard 4-ply material used in custom frame shops and is made from lignin-free, pH-neutral board, so the biggest reason to buy is long-term preservation combined with a precise, gallery-style fit when the opening is ordered correctly.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-ply construction:\u003c\/strong\u003e provides a sturdy, rigid support that keeps artwork flat and presents a clean edge around the opening.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArchival materials:\u003c\/strong\u003e lignin-free and pH-neutral board reduces risk of yellowing and helps protect prints over time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize compatibility:\u003c\/strong\u003e sized to fit a 21x30 frame, making it suitable for common large framing projects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhoto opening:\u003c\/strong\u003e designed for a 17x26 photo with an actual opening of 16.75x25.75 in for a visual fit that slightly overlaps the artwork edges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomizable opening:\u003c\/strong\u003e opening sizes can be changed by the customer if requested within two hours of order for a tailored fit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfessional look:\u003c\/strong\u003e the cinder\/charcoal color gives a neutral, gallery-style border that complements most images.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe mat is best for photographers, artists, and home decorators who need a reliable, archival-quality mat that fits a 21x30 frame and displays a 17x26 image with a professional finish. It appeals to users who plan ahead and will specify any custom opening changes promptly so the piece is cut to exact needs.\u003c\/p\u003e\u003cp\u003eIt is less suitable for buyers who expect an included frame (the listing is mat only) or for those who need nonstandard board thicknesses or textured mats beyond the standard 4-ply. Also, shoppers who cannot supply custom opening instructions within the stated time window should be aware the opening will be cut to the default size.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh-quality 4-ply construction yields a rigid, professional mount.\u003c\/li\u003e\n\u003cli\u003eArchival, lignin-free and pH-neutral materials protect prints long term.\u003c\/li\u003e\n\u003cli\u003eCustom opening option allows precise sizing when instructions are provided.\u003c\/li\u003e\n\u003cli\u003eNeutral cinder\/charcoal color provides a versatile, gallery-style presentation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eActual opening is 16.75x25.75 in which may differ from expectations for a 17x26 nominal size, so careful measurement is required.\u003c\/li\u003e\n\u003cli\u003eMat is sold only; buyers must purchase a separate frame if needed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\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\u003eOverall size\u003c\/td\u003e\n\u003ctd\u003e21x30 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal photo fit\u003c\/td\u003e\n\u003ctd\u003e17x26 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eActual opening\u003c\/td\u003e\n\u003ctd\u003e16.75x25.75 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e4-ply lignin-free, pH-neutral board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor\u003c\/td\u003e\n\u003ctd\u003eCinder \/ Charcoal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncludes\u003c\/td\u003e\n\u003ctd\u003eMat only (frame not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe 21x30 Cinder \/ Charcoal Custom Mat is a dependable choice for anyone framing a large print who values archival materials and a clean presentation. It offers professional build quality and a neutral look that suits most images; just be mindful of the actual opening size and the fact that the frame is not included. For buyers who order or confirm custom opening dimensions promptly, this mat represents good value for preserving and presenting artwork.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eCan the opening size be changed?\u003c\/strong\u003e\u003cbr\u003eYes, customers can request custom opening sizes by email or the contact seller link; changes must be submitted within two hours of the order.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the mat include a frame?\u003c\/strong\u003e\u003cbr\u003eNo, this listing is for the mat only; a separate frame must be purchased to complete framing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the actual opening size?\u003c\/strong\u003e\u003cbr\u003eThe mat is cut to an actual opening of 16.75x25.75 in unless you request a different size within the allowed time window.\u003c\/p\u003e","brand":"ArtToFrames","offers":[{"title":"Default Title","offer_id":48749652508891,"sku":"B01B3FZPFA","price":32.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61RoI8Y7kfL._AC_SL1500_a4c3ed22-c70f-4741-bb5b-6cbc13072465.jpg?v=1778965305","url":"https:\/\/gearmusthave.com\/products\/21x30-cinder-charcoal-custom-mat-for-17x26-opening-professional-mat","provider":"GearMustHave","version":"1.0","type":"link"}