dust cover

Beside the lens was a speaker grille and a smaller opening that looked like a microphone dust cover.

Mary-'Gusta hurriedly untwisted her legs and scrambled from beneath the dust cover of the surrey.

With a cry she dropped both dolls, ran back to the surrey and fumbled frantically with the dust cover.

The child struggled and then, bursting into a storm of sobs, hid her face in the dust cover.

To induce readers to buy it it has a picture on its dust-cover which kept me from reading it for weeks.