(CNN) - Dollar General is recalling its 8-ounce Clover Valley Instant Coffee because it potentially contains fragments of glass, according to the Food and Drug Administration.

The coffee was sold in 47 states and Puerto Rico between July 9 and July 21. Dollar General didn't say how many containers were included in the three lots of coffee that were distributed, or how many were sold before the recall went out.

Certain jars of instant coffee are being pulled from Dollar General locations around the country after a customer reported the potential presence of glass.