The MAM Easy Start Anti-Colic Baby Bottle and Nipple bundle is the perfect combination for transitioning between breastfeeding and bottle feeding. The bundle contains two 9 oz BPA-free baby bottles with medium flow nipples designed to emulate the breast for easy latching, plus a 4 pack of MAM bottle nipples with slow and medium flows to accommodate your baby's growth. The innovative Anti-Colic bottles feature a vented base clinically proven to reduce colic, gas and reflux in 80% of babies by promoting an even flow. The nipples have a breastfeeding-like shape and feel to support bonding and acceptance. With self-sterilization in just 3 minutes and a removable bottom for easy cleaning, these bottles simplify feeding time. The nipple pack includes two slow flow level 1 nipples ideal for newborns and two medium flow level 2 nipples suitable for older babies. Their symmetrical, flat-top shape allows secure latching and comfortable pacing. With over 94% nipple acceptance, they make switching between breast and bottle simple. Together, the Anti-Colic bottles and mixed flow nipples make the perfect bundle for moms looking to combine breast and bottle feeding while enhancing their baby's comfort.