二に連れん

noun which may take the genitive case particle 'no'

double; two-part; bipartite

Describes something consisting of two connected or paired parts, such as a two-pack, two-shot, or two-section item.

• 二に連れんのキーホルダーを買かった。

  I bought a double keychain (two connected keyrings).

• このお菓か子しは二に連れんパックになっている。

  This snack comes in a two-pack.