The TWSBI Classic Sapphire fountain pen pairs timeless design with modern fountain pen engineering. Featuring a deep sapphire-blue resin body accented by polished metal trim, the Classic offers a refined, understated look that feels equally at home on a desk, in a journal, or in a professional setting. Built with TWSBI’s dependable piston-filling system, the Classic allows you to fill directly from bottled ink while providing generous ink capacity for extended writing. Its smooth, rounded shape and balanced weight create a comfortable writing experience that’s ideal for everyday use. The pen is fitted with a polished stainless steel nib available in a variety of sizes, delivering smooth, consistent ink flow whether you’re taking notes, writing letters, or journaling.