10 Pack Picture Frame Mats, Acid Free 11x14 Matted to 8x10 Photo Mat, Bevel Cut Picture Frames Matting for Pictures, Watercolor, Artwork, Prints (6 White +

Durable Support Boards: Somime backing boards are made of a thick and durable cardboard material that won't bend or break easily. Internal 4-ply thickness(about 1/16 inch) sheets ensure stability. You can combine it with photo mats and clear bags for a better display of your artwork and prints. Optional Size: Somime photo mat boards measure 16x20, suitable for 16x20 frames. These backing boards can be cut into your desired size and shape to decorate for birthday parties, family gatherings, and weddings. What's more, various sizes are available. Acid-free Quality: Acid-free matte boards can save your precious memories with photos, perfect for framing photographs and artworks with double-sided tape. A flat and smooth surface is also suitable for small object classification and keeping them in a bag for storage.