THIS IS A 2-PACK OF PLAYTEX NIPPLES DESIGNED FOR THE AVANCE BOTTLE SYSTEM.  THEY ARE MINT IN FACTORY SEALED PACKAGING.  **** BONUS******  THIS ITEM COMES WITH A VERY CUTE  "EVENFLO", 8 OZ. CLASSIC "ZOO FRIENDS" SLOW FLOW BOTTLE FOR BABIES 0-3 MONTHS.