TWSBI Eco Fountain Pen - Caffe with BronzeWarm, familiar and easy to keep using The TWSBI Eco Caffe sits in that rich coffee brown zone that feels warm without becoming dark or heavy. The bronze trim softens the overall look even further, giving the pen an older, more settled mood compared to the brighter Eco releases. Underneath, it is still the same dependable Eco piston filler people use every day. What sets it apart Warm coffee brown finish with softer bronze trim Reliable piston filler