Handcrafetd by a Navajo artisian dierct from the reservation. Genuine black onyx stone set in solid sterling silver. The bracelet features a unique design of 7 round silver wires put together to create a base for the large black onyx stone.The round wire creates a smooth surface for the bracelet when worn making it very comfortable. This stone measures 1-3/4" x 1-1/4". The bracelet has an inside measurement of 5-3/4" with a opening of 1". It easily fitted to most wrists both big and small.