Specification Brand : US Art BulletPoint1 : This item comes with 25 matboards BulletPoint2 : The mats are Cream core and 4-ply thick (about 1.4 mm or 1/16 inch). BulletPoint3 : 12x18 UNCUT mat matboard Assorted Color BulletPoint4 : This is acid Free, Neutral Ph great for Matting. White Core, Great Looking color BulletPoint5 : 25 Best Selling Colors, Vibrant Colored Surface Papers Color : 25 Assorted Color ItemName : 12x18 Mat Board Uncut Variety Pack 25 Assorted Colors ItemPackageQuantity : 1 ItemShape : Rectangular ItemTypeKeyword : photo-mat-boards Manufacturer : US Art Material : paper or cardboard PartNumber : Art-Assorted25-12x18 ProductDescription : Perfect for matting photos and artwork for picture frames. 25 best selling colors in one pack. These Mats Board are hand crafted and made to order using all new materials, we manufacture the frames in Mableton Georgia, USA. Each frame and mat is carefully inspected. ProductSiteLaunchDate : 2013-11-07T15:47:49.993Z Size : 12x18 Style : Modern