The Dynamic Duo Package includes a Gelish Foundation Gel 15 mL bottle and a Top It Off 15 mL bottle.The Foundation Soak Off Base Gel creates the adhesive bond between the nail plate and gel products while not damaging the nail plate. It works as a base for Gelish Structure Gel or Gelish Soak-Off Gel Polish. Cures in 5 seconds in LED 18G light, 10 seconds in LED light, and 1 minute in UV light.The Top It Off Soak Off Sealer Gel seals your Gelis Soak-Off Gel Polish to a high shine finish that will not dull, chip, or peel. Removes with Gelish Soak-Off Remover. Cures in 30 seconds in LED light; 2 minutes in UV Light.Gelis Soak-Off Gel Polish applies like polish and cures in a LED lamp in 30 seconds, or 2 minutes in traditional UV lamps. Gelish stays on nails for up to 3 weeks with no chipping or peeling, and soaks completely off in only 10 - 15 minutes.