Nuk silicone nipple shield for relaxed and comfortable breastfeeding breastfeeding can often become uncomfortable due to tender and sore nipples if babys first teeth are already through this can cause greater discomfort for mother nuk nipple shields can offer effective protection during the nursing periodmade of thin smooth silicone that fits the individual nipple shape innovative triangular shape that ensures direct body contact with baby soft nobbles for perfect fit and a pleasant fee