The OPUS 88 Fountain Pen Demonstrator Blue Whale 240300 is a premium fountain pen designed for adult collectors and enthusiasts. Made of high-quality alloy steel, this pen features a unique eye drop type design with a 1.5mm nib. Its sleek and stylish design, along with its unisex appeal, makes it a desirable choice for those looking to add a sophisticated and functional writing instrument to their collection. This fountain pen is sure to impress with its quality craftsmanship and elegant design.