Medela Nipples Medium Flow - 3 Pk - Medium Flow Medela wide base silicone nipples are available in slow and medium flow for feeding newborns and infants. Features: -Compatible with all Medela breastmilk bottles. -Easy cleaning - nipples may be cleaned in the dishwasher, Micro-Steamed, boiled or washed by hand -Can only be used with wide base collars - Medela breastmilk bottles come with wide base collars. For extras, consider our breastmilk bottle spare parts set. -BPA-free - safe for babyIncludes: 3 - wide base medium-flow silicone nipples Made in the USA