Adjustable natural bead bracelet imaginative, and extra-ordinary art to be worn. Designs that become the foundation of one's wardrobe. About this product this men's bracelet is constituted with ring and special stainless-steel closure. On the outer layer, the ring is comprised by side-by-side lava rock stone which braid them together through threads.It is durable and strong.You can adjust size through shrink threads.It is convenient. Also,the material of essential oil bracelets are eco-friendly and safe.They can prevent you from most allergy. You could wear this to any occasions and events. This bracelet could withstand water and sweats. Due to the effect of gravity, a kind reminder for you: often checking on your lovely bracelets while working out or doing activities.One year warranty against defect.