Accent Design Framing Mats ADF Double 16x20"/11x14" Cream Core Cobblestone/Cinder Mat Accent design framing mat double 16x 20 Accent design double framing mats let you turn your photos and Artwork into dramatic and exciting home decor pieces that can be hung on your walls, displayed on an easel, or even decoratively Framed Double layer mat with both layers having beveled edges