US Patent 8662331 One piece reversible closure and container system

A closure having a child resistant mode and a non-child resistant mode includes a circumferential side wall having an interior surface, a first section, a second section, and a solid divider. The solid divider is disposed between the first section and the second section for closing an opening of the container when the closure is installed on the container in the non-child resistant mode and the child resistant mode. In certain embodiments, a first liner is disposed in the first section such that the first liner is visible when the closure is installed on the container in the child resistant mode. A second liner is disposed in the second section such that the second liner is visible when the closure is installed on the container in the non-child resistant mode.