100% Tipped And Flagged Solid Round Tapered (Srt) Polyester Filaments Ensure Durability And A Smooth Tapered Chiseled Edge, And Provides Even Paint Distribution With No Drag Or Brush MarksComfort grip low fatigue handles are a relief for enduring paint jobsStainless steel, rust resistant ferrules and easy cleaning make these brushes great for reuseStanley premium paint brushes are the perfect choice for the do-it-yourselfer.