Specification Brand : ArtToFrames BulletPoint1 : Mat is standard 4 ply material used in Custom Frame shops. BulletPoint2 : Made of lignin-free and pH-neutral materials. Fits into a(n) 19x26 Frame. BulletPoint3 : This mat will fit a 15x22 Photo. Actual opening size will be 14.75x21.75. BulletPoint4 : NOTE FOR ORDERS SOLD BY ArtToFrames ONLY: OPENING SIZE(s) MAY BE CHANGED BY CUSTOMER. Please include your desired opening size(s) by email, or through the contact seller link. If we do not receive a request for a custom size within 2 hours of your order it will be cut with the opening size listed above. Feel free to contact us with any questions you may have. Color : Cinder CustomerPackageType : Standard Packaging ItemDisplayDimensions_Height : 19 inches ItemDisplayDimensions_Length : 26 inches ItemDisplayDimensions_Width : 26 inches ItemDisplayWeight : 1 pounds ItemName : 19x26 Cinder / Charcoal Custom Mat for Picture Frame with 15x22 opening size (Mat Only, Frame NOT Included) ItemPackageDimensions_Height : 76.962 centimeters ItemPackageDimensions_Length : 9.906 centimeters ItemPackageDimensions_Width : 64.262 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : photo-mat-boards Manufacturer : ArtToFrames Material : Paper ModelNumber : MAT-154-19x26-Charcoal NumberOfItems : 1 OccasionType1 : Mother's Day OccasionType2 : Grandparents Day PartNumber : MAT-154-19x26-Charcoal Size : 19x26 StreetDate : 2017-03-27T00:00:01Z Style : Customized TargetAudience : Unisex Adult UnitCount : 1 UnspscCode : 60121400