Ennis-Flint by PPG Model 101 series and Model 201 snow-plowable raised pavement markers play an important function on our roads by increasing the total reflective area for drivers.
ENNIS-FLINT® by PPG STIMSONITE® Snow-Plowable Raised Pavement Markers

Ennis-Flint by PPG Model 201,"The Cradle", is a raised pavement marker made from polycarbonate plastic. The recommended tandem application increases total reflective area and features better wet-night reflectivity than traditional recessed markers.