Clairefontaine Age-Bag Wirebound Notebook – Medium Ruled (Black, A4) The Age-Bag series blends classic style with Clairefontaine’s exceptional paper quality. Sized A4 (21 × 29.7 cm / 8.25 × 11.75 in), it suits professional, academic, or personal use. It includes 100 pages (50 sheets) of smooth 90 gsm white vellum paper, designed to be fountain pen friendly and prevent feathering or bleed-through. The medium-ruled pages feature 8 mm spacing for organized writing. A card cover with a leather grain effect provides a timeless appearance, while the double wire binding ensures durability and ease of use. PEFC certified, this notebook supports sustainable forestry and is crafted in France with superior expertise.