瓜二 うりふた
urifutatsu

no-Adjective
Idiomatic Expression

1. exactly alike (in appearance); like two peas in a pod; (practically) identical; spitting image (of); carbon copy (of)

あの双子 ふたご瓜二 うりふたつだな。
ano futagowa furifutatsudana.
Those twins look like two peas in a pod.
Other forms: