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) 14x20 Frame. BulletPoint3 : This mat will fit a 10x16 Photo. Actual opening size will be 9.75x15.75. 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 ItemDisplayDimensions_Height : 14 inches ItemDisplayDimensions_Length : 20 inches ItemDisplayDimensions_Width : 20 inches ItemDisplayWeight : 1 pounds ItemName : ArtToFrames MAT-154-14x20-Charcoal Cinder/Charcoal Custom Mat for Picture Frame, 14x20 ItemPackageDimensions_Height : 59.436 centimeters ItemPackageDimensions_Length : 13.462 centimeters ItemPackageDimensions_Width : 50.038 centimeters ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : photo-mat-boards Manufacturer : ArtToFrames Material : Paper ModelName : MAT-109-24x29-Alabaster ModelNumber : MAT-154-14x20-Charcoal NumberOfItems : 1 OccasionType1 : Mother's Day OccasionType2 : Grandparents Day PartNumber : MAT-154-14x20-Charcoal ProductSiteLaunchDate : 2015-11-11T20:23:25.790Z Size : 14x20 StreetDate : 2017-03-27T00:00:01Z Style : Custom TargetAudience : Unisex Adult UnitCount : 1 UnspscCode : 60121400