Product Description In 1960, Japan’s first ring notebook was born from maruman. The following year, he developed the “spiral note 1960”, which is both durable and light. The classic ring note “spiral note 1960” has been reborn with a new design and new text paper. Original color board paper “MCB 1961″ that achieves lightness and durability Memo size that can be stored in the pocket of clothes 6mm ruled line recommended for those with small letters Length 108 x width 68 x thickness 5 mm (approx. 4.25×2.5”)