A slim classic with heritage: since 1959, Kokuyo’s pocket-sized sketchbook has been trusted by engineers and outdoor explorers alike. Roughly the size of a mobile phone (16.5 × 9.5 cm), it slips effortlessly into any pocket or bag. Inside, you’ll find 40 sheets of crisp blue 3 mm graph paper — perfect for quick ideas, field notes or precise sketches. Made in Japan.
