What's included: 

4 x Hegen Replacement Seals

Free of BPA, BPS, PVC & Phthalates 

Features: 

• World's first patented no screw thread one-handed closure. Press-to-Close, Twist-to-Open, PCTO™ innovation for hassle-free handling and zero spillage 
• Air venting bypasses the milk to prevent aeration, minimising oxidation of precious nutrients. Built-in anti-colic air vent reduces unwanted air intake and safeguards baby from a tummy upset. 
• Elliptical-shaped silicone teat closely mimics a mother's breast to simulate a real latching experience, making combining breast and bottle feeding possible. Off-centre teat enables your baby to feed in a natural upright position. 
• Express, Store and feed within a single container with interchangeable adapters, feeding and storage lids. No wasteful transfer of milk necessary.