Dip pen with medium nib and barrel set. Nib storage function Protects the nib when carrying or storing. Replaceable nib You can remove the tip at a time so you can replace it without having to grab the nib. Changeable width capabilities; Includes a reservoir part to hold ink better; Easy to change ink colors by simply flushing the nib. No need to refill or replace the ink like a fountain pen or ballpoint pen. From a vase-imitation pen stem, the colorful ink blooms flowers, you can enjoy the world of ink as you want.