Nuk nipple shields help protect sensitive nipples during breastfeeding made from soft thin silicone for greater comfort nuk nipple shields have a unique triangular shape which offers maximum skin to skin contact to help retain a natural feeling during breastfeeding this encourages milk flow and at the same time provides the protection that is needed pack includes 2 x nuk silicone nipple shields in a handy protective storage case sterilise using steam or cold water sterilisation do not p