Under bed storage drawers

Whether for you or your children, if you’re looking to add more storage space to your bedroom, consider an under-the-bed storage drawer. These drawers, often times called trundle drawers, simply slide out from under your bed with the help of attached rolling casters so you can store your stuff. These drawers can also be used under a table if need be.
Under bed storage drawer:

Under bed storage drawer pictured: KidKraft Train Trundle – White