Podee Hands Free Baby Bottle System Twin Pack 9 Oz.
This is system works best with type of silicone nipple provided.
Other nipples have air vents that prevent suction.
Make sure bottom of nipple is sealed against adapter with the cap ring to prevent air bubbles,Target genderFemaleMaterial TypePlastic BottleMaterial freeBPA Free, Lead FreeCare instructionsBottle is Dishwasher Safe, Hand Washable, Clean after UseNumber of items1Best usesBaby FeedingBatteries requiredNoDishwasher safeYesBottle nipple typeTraditional Silicone NippleIs portableYes