Often called insulation “blankets” or “shapes”.

Custom designed to insulate a specific hardware shape.

Multiple pieces are combined by lacing, Velcro:tm:, or other fasteners, to result in a complete insulated system.

The insulation pieces consist of inner and outer skin or coated fiberglass with an inner core of flexible insulating material.

Thickness of the removable-replaceable insulation varies depending on temperature of the system to be insulated.