official rubbish bag

I buy official rubbish bags.

私は指定ごみ袋を買います

I buy official rubbish bags at the convenience store.

私はコンビニで指定ごみ袋を買います

I buy official rubbish bags at the convenience store on my way home.

私は帰宅途中にコンビニで指定ごみ袋を買います

I buy official rubbish bags at the convenience store on my way home today.

私は今日帰宅途中にコンビニで指定ごみ袋を買います

I buy official rubbish bags with cash at the convenience store on my way home today.

私は今日帰宅途中にコンビニで現金で指定ごみ袋を買います