Each frame size includes 2 different mat sizes so you can customize your look.Frames are made of alder wood.Black, Gray, White and Natural painted frames come with white mats.Bevel-cut archival quality mats.Frames can be displayed vertically or horizontally.Sawtooth mounting, mounting hardware not included.Imported.Dust frame with a soft, dry cloth.Avoid household cleaners and abrasives.To clean glass, spray a small amount of glass cleaner onto a lint-free cloth and wipe glass clean.Assorted set of 3 includes: one 9×11, one 11×13 and one 14×17 frames.9×11 Frame (1): holds one 4 x 6″ or 5 x 7″ photo.11×13 Frame (1): holds one 5 x 7″ or 8 x 10″ photo.14×17 Frame (1): holds one 5 x 7″ or 8 x 10″ photo.