It's just a pen. But it IS a good one. It contains superior German black ink so flows beautifully and the barrel is lovely and soft coated to make it comfortable to hold blah blah blah. But MOST importantly and what you really need to know isit LOOKS GOOD! Create a bit of penvy' with your friends and mix and Match your pen with your other accessories and complete the Bookaroo Lookaroo! Available in 12 of the Bookaroo signature colours, this item pulls together the full colour story and creates a fab in store display! , , So it might be just a pen, but it's really a great additional purchase for customers buying another Bookaroo product!