Good to know - These Nuk bottles are designed for newborn babies, so you can use them right from birth- The temperature indicator changes colour so you know if the milk is too cold or hot, making sure it's perfect for your baby- Its vacuum-free ventilation system helps to reduce colic so your little one is fed and happy- The soft and flexible teat gives a more natural experience to help with feeding- No more milk residues or spilling over - its wide neck makes filling and cleaning a breeze