Golden State Art, 16x20 White Backing Board, Backer Boards for Frame, Picture (10 Pack)

Uncut White Backboard - Pack of 10 Overall Size - 16x20 inches (fits 16x20 frame) White color on both sides and brown core. Great for pictures and

Golden State Art,Pack of 25, 16x20 White Backing Board with Brown Core

Golden State Art, 16x20 Uncut Photo Mat Matboard, Black Backing Board for Frame, Picture (16x20, 10 Pack)

This mat board is black on the front and white on the back. Thickness: 1/16 inch thickness provides depth to your picture. Features: white core, acid

Golden State Art, 16x20 Uncut Photo Mat Matboard, Black Backing Board for Frame, Picture (16x20, 10 Pack)

Somime 25 Pack Backing Boards Only - 11x14 Uncut White

Golden State Art, 16x20 White Backing Board, Backer Boards for Frame, Picture (10 Pack)

50 pack 5x7 uncut backing board. This item comes with 50 single backing boards. The outside size is 5x7 and fits 5x7 Frame. Backing board is 4-ply

Golden State Art, 5x7 Picture Mat Matte Backerboards for Framing. Pack Contains 50 Backing Boards (White, 50 Pack)

Pack of 25, 11x14 Pre-cut Mat with Whitecore fits 8x10 Picture + Backing + Bags.

Golden State Art 8.5x11 Picture Mat Matte Backerboards for Framing. Pack Contains 50 Backing Boards (White 50 Pack)

Mat Board Center, 16x20 Uncut Photo Mat Boards - Full Sheet - for Art, Prints, Photos, Prints and More, Mixed Color, 25-Pack