Golden State Art Pack of 50 8x10 White Picture Mats Mattes with White Core Bevel Cut for 5x7 Photo Backing Bags Golden State Art is a leading supplier of mat boards and picture frames with a wide variety for you to choose. Quality products is why everybody from artists to custom framers to photographers have trusted their artwork with our products for over a decade. Whether you're decorating your house with pictures of your kids or preparing for your next show, we hope you will trust us too? We specialize in Acid-free photo and art mat boards, standard and custom cut mat boards, and frames. Must Have for Any Decoration Acid free photo mats are additional decoration to mat your picture prints or artworks. And it is also a must accesory for photo frame and for home or office decoration. The mat helps separate the photo print from the glass from frames and can well protect your photos. The acid free pre-cut mat can delay the yellowing of photos and dampness, perfect for matching with picture frames and picture photo walls. Great for graduation, wedding, or baby shower ect. Give an additional look! Display your artwork and photography, mats, backing boards and clear bags can meet your art needs! You can combine together with photo mat, backing board and clear bag for better display on your art prints and photos. Choose the mat size inner opening to fit for your prints. Add a single mat in your frames or prints. Can use it as signature mat for graduation, wedding, or baby shower, etc! Create your own design with the mats and kits. Turn it into an amazing gift or art crafts. Applying photo mats to the prints. Display a gallery of matted prints on the wall, desk, etc. 5x7-25 Pack 8x10-10 Pack 11x14-20 Pack 16x20-10 Pack 11x14-25 Kit 8x10-25 Kit 5x7-100 Kit Set of 50 pieces of 8x10 Picture Mats for 5x7 Photo with backing boards and bags This item comes with the 50 pre-cut mats, 50 backing boards and 50 clear bags. The opening size is 4.5"x6.5" for 5x7 print. Color: WHITE The mats are beveled cut with white core and 4-ply thick (about 1.4 mm or 1/16 inch), The backing is white on both side. The re-sealable adhesive strip of the clear bag is below the opening of the bag instead of on the flap.