The clinically proven naturalwave teat was designed to encourage baby’s ‘wave-like’ tongue movement, promoting this instinctive sucking action for natural oral development. the naturalwave teat enables a wider latch-on, similar to the baby’s natural latch. super soft and flexible for optimal compression, the silicone teat allows baby to control milk flow. the naturalwave teat has a gradual slope design for improved suction, while its structure is strengthened with innovative inner vertical ridges to make it collapse resistant so baby can enjoy a comfortable feed. for peace of mind, its air ventilation system reduces intake of air, a potential cause of colic. part of lansinoh’s compatible pump-store-feed breastfeeding support solution which helps mums and babies enjoy the benefits of breastfeeding and breastmilk for longer.