N°11 (7.5X10.5 cm) practical and very compact. Also available in format N°13 (10.5X14.8 cm) offering more space for expression elegant purple lines spaced 7mm apart. Also available in small 5X5 squares and dotted dots Clairefontaine 80g superfine vellum paper to give you an incomparable writing experience. Ink does not bleed through 240 DETACHABLE SHEETS glued on the edge non-slip cardboard bottom, it does not slip on your desk. Can also be used as a refill for the corresponding Memo block sets.