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) 24x36 Frame. BulletPoint3 : This mat will fit a 20x32 Photo. Actual opening size will be 19.75x31.75. BulletPoint4 : NOTE FOR ORDERS SOLD BY ArtToFrames ONLY: OPENING SIZE(s) MAY BE CHANGED BY CUSTOMER. Please reach out to us with your desired opening size. 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 : Granite - 5 Pack ItemDisplayDimensions_Length : 36 inches ItemDisplayDimensions_Width : 24 inches ItemDisplayWeight : 0.77 pounds ItemName : 24x36 Granite/Mountain Grey Custom Mat for Picture Frame with 20x32 Opening Size (Mat Only, Frame NOT Included) - 5 Pack ItemPackageDimensions_Height : 4 inches ItemPackageDimensions_Length : 41 inches ItemPackageDimensions_Width : 28 inches ItemShape : Rectangular ItemTypeKeyword : photo-mat-boards Manufacturer : ArtToFrames Material : 4-Ply Acid Free Cardboard NumberOfItems : 5 PartNumber : Pack_5_MAT-152-24x36 ProductDescription : Fits a 24x36 Frame, and a Photo 20x32. For custom cuts and designs please reference !~Product SKU # - - Pack_5_MAT-152-24x36~\ ProductSiteLaunchDate : 2024-03-16T00:10:12.606Z Size : 24x36 Style : Custom