There is no purity mark, however it has been tested positive for sterling silver. The inside measurement from tip to tip is approximately 5 3/4" and the opening measurement between the tip (GAP) is approximately 1-3/4". Approximate width of the bracelet is 2-3/4. ADJUSTABLE BRACELET fits Perfectly MEDIUM TO LARGE SIZE WRIST.
Sturdy 9 grams in my scale. This bracelet would be a great addition to any Native American or Southwestern jewelry collection. Also this amazing bracelet is a timeless beauty with lots of good energy!SMOKE AND PET FREE ENVIRONMENT. THANK YOU FOR STOPPING BY!