飛散ひさん防止ぼうしフィルムじゃなかったです
hisambōshifirumujanakattadesu

Noun
Desu Copula

The polite, past negative form of 飛散防止フィルム

1. Wasn't a shatterproof film.; Wasn't anti-scatter film.

Past/Perfective
Negative
Polite
Casual Register