noun
metal pencil case; tin pen case
A pencil case made of metal, often a tin box with a hinged lid, popular among schoolchildren.
See also: ペンケース
小学生のとき、缶ペンケースを使っていた。
When I was in elementary school, I used a metal pencil case.
Traditional Japanese term for a brush box, now also used for pencil cases in general, but 缶ペンケース emphasizes the metal material.
Compound of 缶 (kan, 'can, tin') and ペンケース (pen kēsu, 'pen case'), a straightforward modern loanword blend.