NUK First Choice Glass Bottle \ \ with temperature control indicator for 3m+ \ \ NUK First Choice+ bottles with temperature control indicator show at a glance when the contents of the bottle are at the right temperature. The scale on the bottle changes colour depending on the temperature of the contents of the bottle. If the food is too hot, the blue indicator turns white. \ \ The original \ The original NUK nipple is designed in the same way as a mother's nipple during breastfeeding. This gives the tongue and jaw plenty of space and gives babies the feeling they love. \ \ Natural feel \ With its soft zone, the silicone nipple tip fits in baby's mouth in the optimal position in relation to the palate for a natural feeling when drinking. \ \ Anti-colic \ The improved anti-colic air system ensures a natural flow of liquid. so your baby can drink easily without swallowing air at the same time. \ \ clinically tested \ thanks to its particularly natural shape, babies accept the nuk nipple extremely well. This means that it is particularly suitable for babies who drink from a bottle and breastfeed. \ \ important note: \ the nuk temperature control indicator is considered an additional control. Therefore, the temperature of the food should also be checked by hand before the actual feeding. To check the food, a few drops on the inside of the wrist are enough. \ \ the bottle is made of glass. \ \ \ hygienic, high-quality, durable glass, pleasant to the touch \ free of fragrances and harmful substances, BPA-free \ easy to fill and clean, with an extra wide opening \ safe handle and base \ \