Retro 51 Collection Tornado Rollerball - Pastel Shiba (Pen Addict Exclusive) fountain pen set The unique lava material has

The unique lava material has a high degree of resilience (virtually unbreakable) is flame proof (heat resistant over 100 degrees Celsius) slightly hygroscopic (absorbs hand sweat during use) and is dense to the touch

These boxes were small and portable and served as a storage container as well as a writing surface

or create your own with our Coozy Customizer

This special material is made of small rods assembled next to each other and then incorporated into the resin

Each Tornado’s top ring features an engraved USPS logo plus the pens' limited-edition number engraved of 1225 pieces

Retro 51 Collection Tornado Rollerball - Pastel Shiba (Pen Addict Exclusive) fountain pen set The unique lava material hasPen does not come in original packaging.