Finally, if you plan on having more than one child, having extra nipples around via a product like the variety pack can make it easier to reuse your first child's bottles. (hintmama.com)
The nursing kit usually includes a bottle, several extra nipples, and a cleaning brush. (kittenrescue.org)
If rinsing your bottles will be an issue, you can also purchase disposable inserts (beware not to over-heat your inserts), and take extra nipples along. (myorganicformula.com)