50 Pack 12x18 Backing Board Only, Backings for Art, Photo, Print, Frame, White

Acid Free on the surface, but the core is not acid free. White both side. Sorry, no exceptions.

Golden State Art, 8.5x11 White Backing Board, Backer Boards for Frame, Picture (10 Pack)

Wayfair 11 x 14 White Picture Frames You'll Love in 2024

11x14 Economy Double Mat For 8x10 Photo

18x24 Mat for 22x28 Frame - Precut Mat Board Acid-Free White 18x24 Photo Matte Made to Fit a 22x28 Picture Frame, Premium Matboard for Family Photos, Show Kits, Art, Picture Framing

Golden State Art, 11x14 Picture Mat Matte Backerboards for Framing. Pack Contains 50 Backing Boards (White, 50 Pack)

SIZE: 16 x 20 inches INCLUDES: Pack of 20 uncut white backing boards COLOR: White on Both Side, Brown Core FEATURES: Signature friendly, acid free,

Golden State Art, 20 Pack 16x20 White Backer Boards - for Frame, Picture, Art Project - 4 Ply Thick

16x20 Backing Board

White Economy Backing Boards, 25 Pack, ClearBags

12x18 Mat for 18x24 Frame - Precut Mat Board Acid-Free Aqua Blue 12x18 Photo Matte For a 18x24 Picture Frame, Premium Matboard for Family Photos, Show Kits, Art, Picture Framing, Pack of

Golden State Art, 12x18 White Backing Board, Backer Boards for Frame, Picture (10 Pack)

12x18 Mat for 18x24 Frame - Precut Mat Board Acid-Free Light Purple 12x18 Photo Matte For a 18x24 Picture Frame, Premium Matboard for Family Photos, Show Kits, Art, Picture Framing, Pack of