KiddieKind Clasp clips onto necklaces that has any type of spring ring clasp(this is the most common form of a necklace clasp). Simply connect both ends and transform your necklace in seconds. We help protect children’s necks from potential harm by providing a clasp that safely breaks apart if a necklace chain has too much pressure or tension. Our clasp is easy for kids to use, empowering them to put on and take off their own necklaces with confidence all while having so much fun doing it themselves! Convert your necklaces into child-safe jewelry in seconds! Made from a worried Mama who saw a need for her own daughters. Designed and Assembled in the USA.  Measures approximately 3 inches in length.