FreeCode&reg; Colorful Fountain Pen Luxurious and Noble Business Fluent iridium nib 0.5mm Smooth Bright Surface With FreeCode Logo and Free Gift Box (Red) Screw top suction system to take ink from a bottle, no cartridge need. The fountain pen looks luxurious and noble. The design of the pen use ergonomically, grip good make you liking writing with it The silver as a decoration show it more elegant. Iridium nib 0.5mm writing fluent that suitable for any occasion Pen box=17cm x4cm x2.5cm/6.69x 1.57 x 0.98 Pen=14cm x 1cm/5.5 x 0.39. Weight: Pen=27g ,Box=33g.