Mat board white 12' x 16' in

White Mat board, also called passepartout, that fits in a frame sized 11,7 x 15,7 in. The opening in this Mat board is 7,9 x 11,2 in and fits a

Enhance student's artwork for art fairs and displays. Black mat frames fits artwork 9 x 12. Each pack includes 12 mats. Recycled and recyclable.

Pacon Black Frames 9 x 12

White Picture Mat Mattes White Core Bevel Acid Free Mat - Temu

Pack of (2) 16x20 Acid Free White Core Picture Mats Cut for 12x16 Pictures in White

Pre-Sized Crescent #918 Very White (Regular Mat Board)

Multiple Opening 12x16 Pre Cut Collage Photo Mat - School Days 13 Windows

This item comes with 50 12x16 inches backing boards. The cardboard is white on both sides, brown core, 1/16 inch thick. The backing board for crafts

Golden State Art, 12x16 Picture Mat Matte Backerboards for Framing. Pack Contains 50 Backing Boards (White, 50 Pack)

PA Framing Mat Board - Double 12-inch x 16-inch - Through The Years - White Core White/Black - Craft Warehouse

12x16 Museum RagMat Single Mat Board - Shop Now

NB MB-8111216W

Pre-Cut Mat Board (White) - Inner 8 x 11, Outer 12 x 16