Usage patterns
使い捨ての入れ物a disposable container
I bought a salad packed in a disposable container at the convenience store.
遺体を入れ物に納めるto place the body in the coffin (euphemistic)
The body had already been placed in the coffin.
入れ物を洗うto wash a container
Please wash the container thoroughly after use.
空の入れ物an empty container
I put out the empty containers for recycling.