ApplicationThis Picture Mats is perfect for framing and displaying photos, prints and art. It is perfect for personal use at home and in the office or for framing projects for galleries and exhibitions. Its classic white design matches any decor style and is a practical choice for photo frame decoration.SpecificationMaterial: Acid-Free White CoreColor: WhiteOverall Size: 17.8 x 12.7 cm/7 x 5 inch(L*W)Fit for Photo Size: 12.5 x 8.7 cm/4.9 x 3.4 inch(L*W)Packing List: 6 Pcs x Picture MatsAdvantageThe picture mats are made of acid-free white core material, delaying the yellowing of photos due to moisture. Professional cutting technology to perfectly fit your photo size and add a three-dimensional sense. It can wrap around and firmly fix photos, prevent dust from entering, and protect your photos from environmental effects.