Golden State Art is a factory-direct photo & art mat board and frames wholesaler serving the art community nationally. We specialize in Acid-free photo and art mat boards, standard and custom cut mat boards, and frames. Personalize your artwork and decorate your home! Product Features Rigid and Sturdy Support and protect art prints, photos, and frames. 4-Ply Thickness Made to fit in frames. About 1/16 inch thickness Great Quality Acid-Free & White color on both sides. Right Size for Your Needs Available in different sizes. NOTE: NOT A MAT BOARD Perfect use for any DIY Projects! Use for picture framing, photo matting, show kits, etc. Extra support for matted prints, photos, and other artworks. Combine with Photo mats and Clear Bags to create better artwork and photo display! Golden State Art, 5x7 White Backing Board, Backer Boards for Frame, Picture (... Golden State Art, 25 Pack 8X8 Bright White Backing Board for Frames, Pictures... Golden State Art, Pack of 100, 8x10 White Backing Boards - Uncut, Acid Free, ... Golden State Art, 12x18 Picture Mat Matte Backerboards for Framing. Pack Cont... Golden State Art, 13x19 White Backing Board, Backer Boards for Frame, Picture... Golden State Art, 25 Pack 18x24 Bright White Backing Boards for Frames, Pictu... Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 4.6 out of 5 stars 894 4.6 out of 5 stars 457 4.8 out of 5 stars 513 4.8 out of 5 stars 747 4.6 out of 5 stars 894 4.6 out of 5 stars 457 Price $6.92$6.92 $15.99$15.99 $48.97$48.97 $49.49$49.49 $22.95$22.95 $56.47$56.47 Size 5x7 backing board 8x8 backing board 8x10 backing board 12x18 backing board 13x19 backing board 18x24 backing board Quantity 10 pack 25 pack 100 pack 50 pack 10 pack 25 pack