👍Adjustable Perimeter: 6.7 inch - 10.2 inch . It can be adjust elastic rope and match for a male or female. 👍DURABLE ROPE LAVA BRACELET -- The bracelet has a high quality elastic rope, soft and good elasticity, not easy to be broken. It was broken by accident, contact us, we will send you a replacement freely!!! 👍USING WITH ESSENTIAL OIL -- The nature lava stone work well with absorbing your favorite Essential Oils. Hold smell and keep diffusion for whole the day.