Adult Amber Necklace - Nursing Necklace – by Amberocks. Baltic amber breastfeeding necklace. These amber breastfeeding or nursing necklaces are a great additions to any mother’s wardrobe. It can hold a distracted baby’s attention, be safe enough not to break when tugged and look fabulous too! They measure approx. 56cm long. Wearing this necklace can help your baby focus on feeding while encouraging him or her to explore the necklace beads that are appropriate and safe for little hands.