MADE IN U.S.A.  These 100% polyester roller covers are designed for the master painter.  They are 100%                                                                 guaranteed for paints, strains and all coatings.  The cover is epoxy bonded to a double thick phenolic (fee-nol-lick) core. This results in a good strong core that will not flex.  These covers will not mat up and are guaranteed not to lint or run.  The epoxy bonding is a special super glue that guarantees excellent results.  These covers are easily cleaned with lacquer thinner, MEK, and other industrial solvents. DO NOT CONFUSE THESE WITH CHEAP THROW AWAY ROLLER COVERS.  THESE ARE FOR THE PROFESSIONAL !!!All of the paint roller covers we carry are 9" in length with a varrying selection of nap sizes.