Coverless

He took the coverless book from her hand. Chardenal's French primer.

Source: wiktionary

Beside the window the enormous bed was made up, with ragged blankets and a coverless bolster.

Source: wiktionary

And it has a sturdy dust cover, unlike the coverless Ion. The Audio-Technica’s tone arm comes assembled and can be set to raise and lower itself from the turntable automatically

Source: wiktionary