You can use any regular cup or bowl you might have around your house. While a bowl allows for a wider margin of error when trapping the bee, the cup is easier to keep covered and move out once the bee has been trapped.
[header] How to get a bee out of the house [title] Obtain a cup or bowl. [step] A clear bowl or cup is preferable, though not necessary. A plastic cup or bowl is also preferable, since its lower mass will reduce the risk of damaging your wall or window during the trapping process.