防水 ぼうすい帆布 ほぬのではありませんでした
bōsui honunodewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 防水帆布

1. Was not waterproof canvas.; Was not a waterproof tarpaulin.

Past/Perfective
Negative
Polite
Formal Register