overnighter
overnight bag
overnight case

I took my overnight bag and went into the bathroom.

He went to the door, stepped out a moment, then came back in with a small overnight bag.

Then he threw some things in an overnight bag, and let himself out.

"I only brought one change of clothes in my overnight bag."

Now I'm going to put the last few things in the overnight bag.

He went out and came back with his small overnight bag.

I picked up her overnight bag and started across the room with it.

She picked up her overnight bag and started out the door.

She put down the overnight bag and moved to his side.

She saw her overnight bag on the bed and noted the door at one end of the room.