Slip this mat into an 11 x 14 frame & display 8 of your favorite photos of your dog(s). The wood mat is an oak veneer & is cut with a laser. The sizes of the openings are (in inches): 4 - 3 (circles), 2 @ 3 (squares), & 2 @ 3-5/8 x 5-3/4. There is a selection of frames you can order as well, or you can just order the mat insert & get your own frame. 11x14 Dogs Leave Pawprints Wood Photo-Picture Mat Collage Insert