MAM Nipple Shield Size 1 is a short term breastfeeding aid, used to protect sore or cracked nipples. BPA free. Size 1 - small. MAM Nipple Shield Size 1 offers short-term support during breastfeeding. The silky smooth surface and natural shape helps makes it easy for baby to drink. You\'re advised to consult a midwife or nursing consultant before you first use them. Features: Pack of 2Supplied in a s isable storage box This makes the switch between mum and Mam particularly easy BPA Free