The teat is so flat, thin and narrow that it fits perfectly into little mouths and leaves the tongue, as well as the jaws, enough room for natural sucking movements. A fact that midwives, paediatricians and orthodontists**, just like mothers***, confirm. The anatomically correct NUK shape is ideal, because natural sucking not only ensures the intake of food, it is also proven to help develop important abilities, such as the proper way to swallow, chew and, ultimately, speak. - Delivery charges and estimated timescales are specified in the Postge & Payment section which will be shown while placing final order. We make every effort to deliver goods within the estimated timescales; however delays are occasionally inevitable due to unforeseen factors. Sustuu shall be under no liability for any.