A tub in a generally rectilinear configuration has a rear face, a front face and side faces. The tub has a closed bottom and an open top. The tub contains heating elements with controls in the front face. The controls are adapted to be manipulated by a user during operation and use. A lid in a generally rectilinear configuration has a posterior element and an anterior element. The posterior element has a rear face, an open front and side faces. The posterior element has an open bottom and a closed top. The anterior element has a front face, an open rear and side faces. The posterior element has an open bottom and a closed top. The rear of the anterior element is adapted to slidably couple with respect to the front of the posterior element. In this manner movement is provided between an expanded and contracted orientation.