This is a super bright 15cm(5.9") metric ruler that would easily fit in your stationery pouch or case. Weighing only 10g(0.35oz), it is extremely lightweight. A conversion table of inches to metrics is conveniently listed on the back of the ruler.

Comes in 6 colors including a few fluorescent eye-catching color options. 

Dimension: (W)7.2" x (H)1.9"