Sturdy Backing Boards: Sufficient 4-ply thickness (about 1.4 mm or 1/16 inch) mat boards without bent corners provide additional support needed. Backing sheets are made of cardboard to protect your pictures, photos, and artworks whether they are framed or placed individually. White Surface: Falling in Art mat boards include 50pcs 11x14 uncut mats and enough boards can satisfy your numerous requirements. White color on both sides allows you to make signatures for graduation, and birthday parties and create DIY projects. Besides, our backer boards are available in multiple sizes: 5 x7 , 8 x10 and 16 x20 . Acid-free Material: Falling in Art backing boards are of acid-free quality, which will better protect your precious photographs. They are perfect for cataloging documents, photos, theater tickets memorabilia, etc. The whole set is well packaged in a box to prevent damage. Wide Application: Falling in Art mat boards work as a frame to place your photo with double-sided tape. It is also a picture-drawing board or a presentation board to make flower arrangements for home and office decoration. You can create your designs and make your frame a unique display artwork. From Us: Falling in Art aims to provide tons of premium painting art supplies, brushes, easels and easel sets, canvas panels, and more to satisfy your needs to be an artist. Once you meet issues when using our products, please feel free to contact us. UPC 770580199004 ASIN B0B211RC1B Size 11*14-50 Pack Color White Brand Name Falling in Art Item Weight 3.95 Kilograms Model Number AT0295 Material Type Cardboard Number of Items 50 Item Dimensions L x W 14 L x 11 W Manufacturer Part Number AT0295