silicone beads 16 mm – round – Safety Beads Material: Silicone, BPA free, PVC-free, phthalate-free, cadmium-free and more. Does not contain harmful substances. safe tested according to EN-71 and therefore found to be chemically suitable for a CE certified end product. Complies with EU safety directives. color: Available in various colors. What are these 16 mm silicone safety beads used for? These 16 mm silicone safety beads are mainly used in pacifier chains. These silicone beads have a double hole. A safe pacifier chain which is always threaded at least double-stranded. You use this safety bead as the last bead on the loop side. One thread goes through one hole and one thread satin cord through the other hole. This means the last bead can never go over the knot of the last loop. Even if this knot were to be removed by someone, the beads can still not come off the pacifier chain. And that is, after all, safe.