At 200ml and 150g, the Micro Hydro slips into spaces no full-size flask can reach – coat pocket, bar bag or lunch box – without you noticing it's there.
The Micro Hydro originated in Japan, where the cultural instinct to pare things back to exactly what you need inspired a bottle for exactly that purpose.
Graph for sketches, ruled for writing, plain for creativity. One mixed pack covers all pocket notebook needs, with floral cover artwork by Emmy Star Brown.