Let your images shine with the modern Quadrum picture frames made of wood. Create accents in your decor. Clear lines and harmonious color tones blend perfectly into any environment. Quadrum by Nielsen Design radiates a simple elegance with its classic profile. The picture frame is available in 20 formats and numerous colors. Quadrum picture frames are made in Germany from FSC-certified wood. The wood comes from sustainably managed forests that meet the criteria of the Forest Stewardship Council. The frames are equipped with edge-ground float glass, an acid-free backing, and a sturdy MDF back. The photo frames in sizes 13.0 x 18.0 cm to 20.0 x 30.0 cm have a black MDF back with a tabletop stand. From the size 21.0 x 29.7 cm onward, the backs are equipped with hangers for both portrait and landscape orientation. With its large rabbet depth, Quadrum allows for the use of double mats and mounted images.