The PLATINUM Preppy Fountain Pen (Fine) is a lightweight, beginner-friendly fountain pen with a smooth stainless steel fine nib and cheerful transparent body that shows your ink color. Its Slip & Seal cap prevents drying for up to one year, so the pen stays ready even after long breaks. Easy to use and refillable, it’s perfect for daily writing, journaling, or anyone wanting to enjoy the smooth flow of a fountain pen without complexity. 6 Colors are available: Black, Blue-black (renewed version), Red, Green, Pink, Purple. *Important: Japanese fountain pen cartridges are not interchangeable between brands (e.g., Pilot, Sailor, Platinum). Please double-check cartridge's compatibility before purchasing. Key Features Smooth fine — stainless steel 0.3mm Fine nib writes crisp, consistent lines with gentle glide Ink visibility — transparent body lets you see ink level and color at a glance Long-lasting seal — Slip & Seal cap keeps ink fresh for up to 1 year Light & comfortable — only 13 g with vibrant body colors that match the ink Easy refills — compatible with SPSQ-400 cartridges or SPN-100A converter Specifications Nib Fine (03F stainless steel) Refills SPSQ-400 cartridges or SPN-100A converter Dimensions Max diameter 13 mm × Length 138 mm Weight 13 g Usage Notes Cartridge included; Slip & Seal keeps ink fresh up to 1 year; Japanese cartridges are brand-specific