BookBinders Album 270x220 Black Columbus The metal rings of the Columbus album have an inner dimension of 20 mm. 20 black photo papers made of uncoated, acid-free, age-resistant and certified 230-gram Austrian paper.The Columbus album is named after the metal rings that hold its pages together. The landscape format is perfect for both photo albums and guest books. Flexible album that can be filled with Bookbinders photo sheets 270 x 220 mm. With Bookbinder's larger Columbus rings (25 50 mm), it can hold up to about 80 photo sheets with mounted images and 120 photo sheets if the album is used, for example, as a guest book without images. Place of manufacture: EU Size: Medium Number of sheets / pages: 20 / 40 Size outer dimensions: 275 x 220 mm Size inside: 270 x 220 mm Inner size: 250 x 220 mm (for photos) Paper type: Uncoated, acid-free, age-resistant and certified 230 gram Austrian paper. Sustainability info: Material from Austria, Holland and Germany. Cardboard produced from recycled material.