Shur-Line 3942N Premium Line Marker Trim Roller Set, 4-Inch Kit includes Frame, Tray, and 2 Roller Covers High density white knit fabric ideal for use with the new thicker Paint + Primer paints on the market today Features excellent paint pickup for more coverage between loadings and fewer trips to the paint tray Strong and durable 100% polypropylene core Small roller size fits into tight spaces and on smaller surfaces Two-4-Inch mini roller covers 4-Inch roller frame