Black 18x24 White Picture Mats with White Core for 12x18 Pictures - Fits 18x24 Frame

25-PACK This option is for 25 Individual Mats. Acid Free, White Core Mats Overall Size 18" x 24" - Bevel Cut Opening Size of 11.5" x 17.5" for 12" x 18" Photo Backing and Clear Bags are NOT included with this option.You may also like Textured Black Acid Free 20x20 Picture Frame Mats with White Core Bevel Cut for 16x16 Pictures -.