This bracelet is handmade by Pandrea Psychic Medium. These are gemstone beads and they are not plastic. These gemstone beads were hand picked by Pandrea.  The stones themselves contain a natural metaphysical properties. 
 
Blue Chalcedony
Stimulates the Throat Chakra.
It is a powerful stone for communicating with Spirit and can be used to encourage speaking the language of light. Chalcedony absorbs negative energy and dissipates it before it can be passed on.