The NUK First Choice Glass Bottle is a practical alternative to the more common plastic baby bottle as it offers the added benefit of improved hygiene and longer life. Featuring a latex version of the NUK First Choice Teat, which mimics the shape of a mother's nipple during breastfeeding, the NUK first Choice Bottle encourage latch on and is designed to make it easier to switch between breast and bottle-feeding. The NUK Anti-Colic Air System reduces the risk of infant colic caused by a harmful swallowing of air. NUK Bottles, Teats and Soothers are accredited by the Oral Health Foundation for promoting healthy development of baby's jaw and teeth. The NUK First Choice Glass Bottle comes with a 0-6mths Latex Teat, which is softer and more nipple like than Silicone, which makes it easier for some babies to adapt to. The teat features a Medium size feed hole which is suitable for milk and formula. Small and Large feed hole teats are also available in either Silicone or Latex. All NUK First Choice Bottles come with a sealing disc for leak proof transportation and easy mixing of formula. Brand Information NUK offers an extensive range of bottles, teats, soothers, breastfeeding aids and accessories, all designed to make life easier for both parent and child.