A top pick among parents, Avent bottles are clinically shown to reduce colic. Plus, the soft, naturally shaped nipple encourages baby to latch on in a way that is similar to breastfeeding. Whether you choose reusable bottles or the new Tempo Disposable System, you can rest assured you are giving baby the very best with the flexibility you deserve, from birth and beyond. Easy to sterilize, assemble and use. This set includes three 9-once bottles, each with newborn nipples.