Hotbar 18x24 White Picture Mats for 16x20 Pictures with Core Bevel Cut Frame Mattes Set of 12

18x24" Picture Mats with core bevel cut for 16x20" Pictures. White picture frame mats size 18x24 inch with opening size 15.5x19.6 inches for 16x20 inch Pictures. The photo mats feature beveled cuts with white core and are 4-ply thick (approximately 1.4 mm or 1/16 inch). for framing 16x20 photo in 18x24 picture frame. decoration for your personal and photos. Package : 12 pieces of white 18x24 picture mats.