I kept my childhood letters in a shoebox under the bed.

I found shoeboxfuls of old ticket stubs and letters in the attic.

She found a shoeboxful of old letters and photographs in the attic.

She labeled the shoeboxes and stacked them neatly in the attic.

She stored her childhood letters in a shoeboxlike container on the top shelf.

After sorting through the attic, we donated shoeboxesful of old letters and photos to the local museum.