How to say “Our usual frozen pizza is on offer, so let's get two for Friday.” in Japanese

In Japanese

いつもの冷凍(れいとう)ピザが安(やす)くなってるよ。金曜用に二枚買(きんようようににまいか)っとこう。

Itsumo no reitō piza ga yasuku natteru yo. Kin'yō-yō ni nimai kattokō.