4516 - 1/4" X 1/4" OPAQUE WHITE POLYSTYRENE SIDEWALK

1/4" (6.3 mm) X 1/4" (6.3mm) SQUARES, X .016" (.40mm) GROOVE SPACING.
.040" THICK. 
LIGHT GROOVE FOR PAVING.
GROOVE SPACING IS CENTER TO CENTER OF GROOVES

1 sheet pack