Say Goodbye to Colic Issues! Nourish Teeny-Weeny with unbeatable convenience!Global No.1* Nursing Bottle Brand, trusted by mums all around the worldHigh-Quality Bottle Material: Made with T-Ester, an innovative material that is developed and produced in Japan, the first ever used in nursing bottles. With premium glass-like clarity, it is UV sterilizer-friendlyImproved Softness: Smooth silicone nipple flexes and mimics a mum’s breast which results in easy latching and seamless breast-to-bottle transitionLatch-On Line: Perfect solution for latching issues! It guides the mother and the baby in an appropriate latching positionAnti-Colic System: Air valve design on the base of the nipple which allows a constant flow of feed with less ingestion of air; designed for tiny tummies.Easy-to-clean: Transparent body for perfect and convenient squeaky cleansing.BPA and BPS-free material makes it safer and healthier for babiesBased on extensive research on feeding, the 3 key factors are involved in a baby?s natural sucking behavior: