Pensam is a pen case that can be fixed to the cover of a notebook or notebook by sandwiching it with a flap with a built-in magnet. Regardless of the size of the cover, it supports up to about 1 mm in thickness.
There are two types of lineup: a standard type that can store not only pens but also sticky notes and rulers, and a slim type that can store one or two pens. The price of the standard type is 1,500 yen, and the slim type is 1,200 yen (both tax excluded). All are available in 3 colors.