Golden State Art, 9x18 Black Photo Wood Collage Frame with Mat displays (3) 5"x7" Pictures with Real Glass IMPORTANT NOTES: IT COMES WITH REAL GLASS. Not Acrylic! This picture frame comes with single mat with 3 openings for 3 5x7 pictures Picture size: 3 5x7 (with mat, white color, Opening size: 4.5x6.5), or 9x18(without mat) " Bevel cut mat with white core and 4-ply thick (about 1.4 mm or 1/16 inch). 1'' wide and 0.75'' thick molding, Over all size: 10.5"x19.5", Hangs vertically or horizontally