These Blue File-A-Wax Slices are packaged in a 1/2 lb package with assorted thicknesses: from 1/8″ to 1/4″ thick.  Slices all measure 3-5/8″L x 1-1/2″W.  Blue is recommended for rounded surfaces and less intricate designs since it is more flexible than the other colors. Good for hand carving, but not recommended for use with high-speed CNC machines.   The flash point is 585°F  Low ash content (0.003%).