てい反発 はんぱつマットレスじゃなかったです
teihampatsumattoresujanakattadesu

Noun
Desu Copula

The polite, past negative form of 低反発マットレス

1. Wasn't a low-resilience mattress.; Wasn't a memory foam mattress.

Past/Perfective
Negative
Polite
Casual Register