そばがらじゃありません
蕎麦殻じゃありません
sobagarajārimasen

Noun
Desu Copula
Negation Auxiliary

The polite negative form of そばがら

1. Not buckwheat hulls.; It's not a trivial matter.; I'm not being flippant.

Negative
Polite
Terminal Form
Usually Written in Kana