Pilot Prera Solid Colors Special Edition 52gsm so we advise against using

so we advise against using it on envelopes or leaving anything marked with FriXion ink in a hot car

and Twsbi spring-loaded converters

Having to dip your pen in ink half-way through writing can ruin your flow

Each Teranishi Guitar glass pen is made individually by hand

Safe to use in any fountain pen

Pilot Prera Solid Colors Special Edition 52gsm so we advise against usingLightweight, compact, and featuring an exquisitely smooth stainless steel nib, the Prera is perfect for use at home, school, or the office. Every last detail of the pen exudes quality, down to the cushioned click you feel when closing the cap. Features: Stainless steel nib One black ink cartridge Converter for filling the pen with bottled fountain pen ink