MTN A4 BlackBook contains 200 pages / 100 sheets of 110 grams acid-free white paper that perfectly fits all types of markers and pens

In other words

Marks most surfaces and stays weatherproof

Format: A4 — 50 sheets — 70/75 g/m²

zig memory systems ms 3400 calligraphy twin tip pen Chrome Season MTN A4 BlackBook contains 200A lightfast, acid free calligraphy pen perfect for fine creative writing and creating journals. The Zig Memory system series is archive proof and guarantees that you memories and notes will be preserved also for future generations. The Zig Memory Systems MS 3400 Calligraphy Twin Tip Pen has one 2 mm nib and a a 5 mm nib in the other end.