[Material] Black volcanic lava stone, White turquoise stone, Elastic line. [Size] Bead diameter: 0.4 inches. Inner circumference: 7 inches. [Large Size Bracelet] The diameter of the beads is 0.4 inches (10mm), and the inner circumference of the bracelet is 7 inches (18cm). This is a size that is large enough for a man's wrist. Of course, this is a couple bracelet. Suitable for women with large wrists. It would be loose if worn by a small wrist. [Essential Oil Diffuser Bracelet] Drop your favorite essential oil into black lava stone beads, and the beautiful smell will accompany you all the time, making you feel good and relaxed; [Aromatherapy Bracelet Gift] This is an aromatherapy bracelet, handmade, wrapped in a velvet bag, and it is a good choice to give as a holiday gift to family and friends. Such as: Valentine's Day Gift, Birthday Gift, Father's Day Gift, Mother's Day Gift, Wedding Anniversary Gift, Christmas Gift or New Year Gift. [Easy to wear, save time] The bracelet is composed of 10mm natural black volcanic stone and white turquoise. It is a new fashion bracelet. The two styles can be freely replaced and displayed, showing different aesthetics. At the same time, it is easy to put on and take off and save time.