This set includes 4 11X11-inch square photo frames with white mats. Each frame fits 4x4 pictures/photos or fits 11X11 pictures without mat. Frame border color is Black. The Opening size on each frame is 3.5 x 3.5 inches. Overall size for each frame is 12 x 12 x 0.75 inches. Each frame contains real glass, backboard, and 1 hook for hanging. They are made of wood and perfect for wall display.