品質 ひんしつ保持 ほじ期限 きげんじゃないです
hinshitsuhojikigenjanaidesu

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 品質保持期限

1. It is not a best-by date.; It's not a shelf life.

Negative
Polite
Casual Register