A saddle pad apparatus constructed from a first non-slip top layer which is stitched or welded to a second non-slip bottom layer with a stiffening layer contained between the top and bottom layers. The blanket of the present design is attached to the upper surface edges of a bathtub by means of vacuum-cup fasteners adapted with button-like protrusions releasably attached to perforations located on predetermined locations on the perimeter of said blanket. The channel plate has a main channel and a waste chamber, and the main channel is positioned over the liquid switching element. A computer processor subsystem is the authoritative reference for its vital product data.