These measure 38x21mm. They are stones bonded together to correspond to the seven chakras. The stones are Jasper, Yellow Aventurine, Tiger Eye, Green Aventurine, Sodalite, Lapis Lazuli, and Amethyst.
Use these for chakra grid work or just focus during meditation. The picture shows the quality of the item you will receive. Individual colors will vary. The price is for one key.
Photo credit: supplier