Insulating Liner for the RCS Premier Series RJC32A & RJC32AL Grills. The RCS stainless steel grill liner jackets helps protect your outdoor kitchen from the high heat your grill produces. Custom made to fit RCS grills, each grill insulating jacket features durable double-lined 304 stainless steel construction for maximum strength and protection. 304 Stainless Steel. Cut Out: 33" wide X 22 1/4" deep X 9 1/4" high. Overall Size: 34-3/4" wide X 22-3/4" deep X 9-9/16" high. Required when installing a grill into a cabinet constructed with combustible materials.