Pro/Doo-Z FTP Roller Cover 18" x 1/2" *Sub Brand: Pro/Doo-Z FTP *Nap Material: Synthetic Blend *Product Type: Paint Roller Cover *Nap Length: 1/2 in. *Roller Cover Width: 18 in. *Number in Package: 1 pk *Coating Material: For all paints *Nap Thickness: 1/2 in. *Surface Application: Semi-Rough Surfaces *Application Type: Semi-Rough Surfaces *With HydroFlow technology *No shed *Controlled release