Crossword clues for Material in some toothbrushes 5 lettersAnswerClueNYLONCommon toothbrush materialNYLONToothbrush materialNYLONToothbrush bristle materialNYLONMaterial in some toothbrushesNYLONSynthetic material first used for toothbrush bristlesNYLONSynthetic material first used commercially to make toothbrush bristles