a poetic moment

It’s refillable through the screw cap at the bottom

pH-neutral — ink-proof

The markers use a direct liquid ink system that keeps the line steady at a bold 2

leuchtturm1917 notebook master a4 slim squared Skolestart a poetic momentA precise 5 x 5 mm graph grid notebook in a matte black oversize hardcover the A4+ format at 225 x 315 mm gives software developers, engineers, and technical draftsmen significantly more graphing space than standard A4 for charts, calculations, and architectural wireframes. Standard A4 prints store flat inside without edge damage. 100 g m ink proof acid free paper, thread bound flat lay hardcover, 121 numbered pages. Format: A4+ (225 x 315 mm) 121