Material: 8mm round Lava Rocl Beads, Stinless Steel Cross and Elastic Rope. High quality, not easy to break. Specification: Lightweight only 20g, it does not cause pressure on yiour wrist. Approximately 7.2 inches in circumference, with stretchy band, fit most people. Ideal Gifts: package with a gift box; great presents for birthdays, valentine's days, father's days, and anniversaries; for your best friends, dad, mom, boyfriend, husband, or an important one. Bracelets Style: Casual and Classical, Vintage unisex bracelets, good for men and women. Yoga Rock Healing Beads Bracelet is an essential oil diffuser. You can drop your favorite oil on the lava stone and use it during meditation. Tips: Due to manual measurement, please allow an error of 2-3cm. In order to make your jewelry last longer, please do not wear it during exercise or showering. Milakoo Unisex 8mm Lava Rock Beads Bracelet for Men Gold Stainless Steel Cross Anxiety Wrist Wrap