COMPLETE BOTTLE KIT: the set includes 6 baby bottles (2x 150ml, 2x 270ml, 2x 360ml), a soother and a 2-in-1 bottle brush - everything you need for the best bottle-feeding experience with your baby BOTTLES ARE FITTED WITH TEAT: each bottle comes with a specific teat to provide a precise flow rate adapted to baby’s age - S teat from birth, M teat from 3 months, and L teat from 6 months EXPERTLY DESIGNED TEAT: the physiological shaped teats feature a laser-cut hole for an optimal flow that adapts to your little one’s age - made of soft skin-like texture that rests on baby's chin ANTI-COLIC DESIGN: dual air vents help regulate air intake and reduce the risk of colic and regurgitation, providing the smoothest feeding experience for your little one SOOTHER WITH PHYSIOLOGICAL SHAPE: replicating the shape of the breast to respond to infant's innate and vital sucking reflex EASY TO CLEAN: the baby bottles have wide necks for easy filling and cleaning - simply use the included 2-in-1 bottle and teat brush, please refer to the user manual for complete cleaning instructions