silicone kralen - Heart Shape: 20 mm x 17 mm x 11 mm Available in multiple colors Made from BPA free silicone, 100% child-safe. BPA free Phthalate- and toxin-free PVC-free Lead-free CE certified Medical grade silicone kralen These kralen can be used just like all our other silicone kralen in teething rings, pacifier chains, stroller chains, breastfeeding necklaces and lots of other fun teething toys or in keychains and bag charms. In addition, these heart-shaped silicone kralen are often used to make necklaces for children. For decoration, or for children with a need to bite.