Health Breast milk jewelry April 11, 2013 / 2:28 PM EDT / CBS News Brooke Becker This keepsake pendant, made to honor a mother's bond with her child, features an unusual material - processed breast milk. The heart locket and other breast milk mementos are available at the online marketplace Etsy. Read more: Breast milk jewelry helps mothers preserve memories AP/Brooke Photo Studio/Brooke Becker The "Milk.Mom.Baby Breast Milk Keepsake Locket Kit" allows mothers to create their own breast milk mementos. AP/Brooke Photo Studio/Brooke Becker Some of the breast milk jewelry kits come with this locket and chain, as well as ingredients and detailed instructions for milk preservation. AP/Brooke Photo Studio/Brooke Becker The inside view of a heart locket housing preserved breast milk. AP/MommyMilk This necklace with a charm made of breast milk is one of the items jewelry designer Allicia Mogavero offers on the handmade marketplace site Etsy.