Binding of an extremely solid matter, with cover out of black expanded synthetic plastic, and standard mechanism with 4 rings. Its ribbed texture, aspect leather, give an individual character to him. The standard mechanism offers to this binding a universal use. Delivered with 2 black flyleaves. This binding is also adapted to all the sheets and small pockets to format LINDNER with perforation 18 holes. - Neutral Sheets - Sheets neutrals-T - Omnia Sheets - transparent Sheets - Sheets for banknotes