The mat will not turn yellow since it is acid-free.
This frame fits with a picture that has dimensions 12x16' if you use it with the mount, and it fits with a picture that has dimensions 16x20' if you choose to use the frame without the mount. FREE shipping Add to Favorites Zapotec Mexican Place Mat 16.
Frame mat for 16x20 11 Frame Mat Frame Matts Frame Mats for Framing Mats Framing Matt Frame Mat Board Mats for Frame Paper Mats for Frame Mat Set Matts Matboard.