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 Beta, A4, قهوه ای, Cardboard, 270 mm, 5 mm, 340 mm Leitz Beta. فرمت: A4, رنگ محصول: قهوه ای, ماده: Cardboard. عرض: 270 mm, ارتفاع: 5 mm, عمق: 340 mm. Sustainability certificates: Blue Angel