My travel size contact lense solution doesn't have a screw-off top. In order to refill it you have to meticulously pry it off with a flat-head screwdriver. Otherwise, you would just have
Empty Amber Glass Spray Bottles with Labels (2 Pack) - 16oz Refillable Container for Essential Oils, Cleaning Products, or Aromatherapy - Durable Black Trigger Sprayer w/Mist and Stream Se - Walmart.com