Multiple Opening 16X20 Pre Cut Collage Photo Mat - 5x7 x 4 Windows

Pre cut collage picture matting 16x20 with multiple window openings for 4 5x7 photos

Multiple Opening Collage Picture Mat Board

Golden State Art , 9x18 Black Photo Wood Collage Frame with Mat Displays (3) 5x7 Pictures with Real Glass

11x14 Collage Mat

Multiple Opening 20x20 Pre Cut Collage Photo Mat - 8x8 x 1, 4x6 x 8 Windows

5x7 8x10 11x14 Picture Frames Set Poster Frame Photo Frame Collage Wall Gallery

Golden State Art 13-Opening 12x16 Collage Photo Wood Frame with White Mat Real Glass Black

THIS IS FOR A PACK of 10 Mats only w/o backing boards or bags, Featuring a picture opening for a 16x20 inch photo, and a 20x24 inch overall size.

16x20 Mat for 20x24 Frame - Precut Mat Board Acid-Free Black 16x20 Photo Matte Made to Fit a 20x24 Picture Frame, Premium Matboard for Family Photos

Multi-Mat Wood Gallery Frames - Walnut

has Multiple Window Mats in stock sizes and custom sizes.