Kaweco COLLECTION Sage Fountain PenCalm Sage Green Kaweco Sport Fountain Pen The beauty of the Kaweco Sport pen is the way it closes to be a compact palm size, and when the cap is removed and posted on the end, it expands to a full size fountain pen. In a pocket or purse, this sturdy writing instrument can go everywhere with you. And it feels great to write with. The body is made of durable lightweight ABS plastic, with polished chrome accents. Fountain Pen Cap screws on securely,