Vintage Rexall Klenzo Youth Nylon Tooth Brush In Hard Case Lot USA.

I was trying to date these because I can’t find anything else like them listed online. Hard acrylic plastic containers that hold each toothbrush. I have three youth toothbrushes, one is blue, two green. Original price was $.49! Rexall drug company distributor, St. Louis, MO 63115. Please see photos as they are part of the description. New old stock.