MAT SIZE: This matting fits a 21x26 frame. (frame not included)OPENING SIZE: This mat fits a 17x22 photo / print. (Actual opening size is 16.5x21.5)Matting Material is Crescent Mat Board.Black Finish / Cream Core with White Backing (PH Neutral).This listing includes (1) Custom Cut Mat. (The size selected represents the OUTSIDE dimensions of the matting.)
This matting fits a 21x26 frame with an opening size for a 17x22 photo / print (Actual opening size is 16.5x21.5). The reason for the smaller "actual" opening size is to create a .25" overlap on all sides so that the matting sufficiently covers and correctly adheres to the photo or print for proper display.
21x26 Matting for Picture Frame Black with Cream Core and 17x22 Opening Size B221MAT ZMNVWNHTD