“Is this type activated by exposure to air or by mixing the contents?”

Asked by frozen fingers from Fort Bidwell, CA on 12/12/2009 12:00:00 AM
  • These are activated by contact with air.
    Answered on 12/29/2009 12:00:00 AM by Terry from Staten Island, NY
  • Exposure to air. Just open the package and shake a bit.
    Answered on 1/6/2010 12:00:00 AM by Shopping Mom from Blue Ridge, GA
  • exposure to air
    Answered on 2/3/2010 12:00:00 AM by Cyn from Riverton, WY