Spes Fountain Pen - "Unicorn Poop" DiamondCast™The Spes (formerly Summerland) is our basic model in our fountain pen lineup. Similar to the Largo but with more colorful material choices. The section, body and cap are made from a variety of materials and resin color mixes. The pens are lightweight which makes them a very comfortable writing experience. The caps do post onto the pen body. Absolutely gorgeous! The body, cap and section is made from the popular DiamondCast "Unicorn Poop" resin mix.