QS Stone writing instruments are made of a mineral-enriched material for a sustainable 60% less plastic and 50% more weight. It’s a difference that you notice immediately when you pick it up, that adds value to your writing. High-quality personalization options such as a range of metal- and mineral-inspired colours, elegant metal clips, colour-contrasted clip holders and stylish metal push buttons.

Timeless elegance meets sustainability. Mineral-enriched pens with 60% less plastic and a premium weight. Personalize yours today.

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Prodir. Personality pens. Swiss made.

Internationally award-winning design, outstanding writing technology and wide-ranging personalisation options make Prodir writing instruments personalizable brand ambassadors. Sustainable and socially responsible, our pens are produced in Switzerland from cap to tip.