飛沫 ひまつ防止 ぼうしシートでしょう
himatsubōshishiitodeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 飛沫防止シート

1. Probably a splash guard.; Possibly a droplet-prevention sheet.

Polite
Presumptive
Conjecture