This European Standard specifies a general test method common to all bedding items, for assessment of their ignitability when subjected to a smouldering cigarette. prEN ISO 12952-4 describes a specific test method for bedding items, which can normally be placed on a mattress, for example: - mattress covers; - underlays; - incontinence-sheets and -pads; - sheets; - blankets; - electric blankets; - quilts (duvets) and covers; - pillows (whatever the filling) and bolsters; - pillowcases.