Reduce Colic Symptoms: The clever design of Boon bottles features air-free feeding that prevents gas and spit up with a pouch that collapses as baby drinks; no need for complicated vents or valves Safety of Silicone: The only thing your baby's milk comes in contact with is the 100% food-safe silicone of the nipple and pouch; made without BPA or PVC Latch On: The Nursh baby bottle nipples are easy for your baby to latch on to with a shape and length that encourage proper tongue positioning while they learn to feed Dishwasher Safe: With reusable pouches and minimal pieces, cleaning up (and getting ready for the next round) is a snap; the silicone material can also be safely boiled, sterilized, and frozen Feeding That Fits Your Life: With multiple Nursh accessories to choose from, it’s easy to find exactly what you need; Check out Nursh storage lids, buns, pouches, nipples, and more! (sold separately)