17 FOAMED PLASTICS MATERIALS IN THE FORM OF BLOCKS, ROLLS, SHEETS OR STRIPS FOR USE IN DIAPERS, SANITARY PADS AND TOWELS, AND INCONTINENCE NAPKINS AND PADS; FLEXIBLE PLASTICS MATERIALS IN THE FORM OF BLOCKS, ROLLS, SHEETS OR STRIPS FOR USE IN DIAPERS, SANITARY PADS AND TOWELS, AND INCONTINENCE NAPKINS AND PADS; POLYURETHANE FOAM FOR USE IN DIAPERS, SANITARY PADS AND TOWELS, AND INCONTINENCE NAPKINS AND PADS