The Blue Angel is the ecolabel of the federal government of Germany since 1978. The Blue Angel sets high standards for environmentally friendly product design and has proven itself over the past 40 years as a reliable guide for a more sustainable consumption. Blue Angel Leitz 16510085, Blank tab index, Carton, Gray, A4, 200 g/m², 240 mm Leitz 16510085. Type: Blank tab index, Material: Carton, Product color: Gray. Width: 240 mm, Length: 205 mm, Height: 1 mm. Sustainability certificates: Blue Angel