This pen case has an excellent storage capacity of approximately twice as much as a pencil case.
There are a pen holder that can store 5 pencils and 1 thick barrel pen, and a convenient inner mesh pocket to see what you put in, and an outer pocket so you can organize the contents in your pen case that tends to be a "messy" statement.
The case can store a compass without removing it, and it has plenty of space for storing the stationery you need such as a triangular ruler or childrens scissors, and it has an attractive storage capacity.You will not be tired by searching for your tools.