Abstract: A cooler for maintaining an internal temperature while simultaneously protecting contents stored therein from UV light may include a container body with an interior region, the interior region sized to accommodate items to be kept within a desired temperature range; a lid hingeably attached to the container body; an angled lip extending from an outer edge of the container body; and at least one holster built into the angled lip, wherein the at least one holster is sized to accommodate a vaccine gun. The cooler may also include an alerting temperature gauge configured to alert a user when the temperature in the interior region falls outside of the desired temperature range.