PURELL's Advanced Hand Sanitizer Refreshing Gel is the preferred brand that is used by hospitals, and it is preferred by healthcare workers. It is proven to kill 99.99 percent of most common germs that may cause illness without damaging skin. The mild formulation is free of parabens, phthalates, preservatives and harsh ingredients, so it does not dry out or irritate skin. Each Bottle containes 2oz. Due to high demand, bottle designs and shapes may vary. Sone are flatter, some are rounder. But they all have 2oz and all have flip-cap tops.