Material and Size : 4mm High quality natural stone, Adjustable Size.Inner Circumference of the Gemstone Bracelet 6.5" (suitable for 6" to 8" wrist). Stone meaning or Effect : Onyx brings positive energy, protection, increases courage, strength, confidence, releases stress and stabilize emotions. So,don't be afraid we'llnmake it out of this mess! A IDEAL GIFT: The bracelet is packed in a velvet pouch, There are also two cards in the bag, one records the beautiful symbolism of the gemstone, and the other is a simple greeting card that can be handwritten. Is a great gift for friend, families, or yourself. Handmade Bracelet : We have designed a variety of colorful bracelets (spring jewelry, summer jewelry, autumn jewelry), and we are sure that there is a style that suits you. To ensure durable usage, All of our handcraft macrame adjustable bracelets are using high quality precious gemstone.Every steps are fullfil with our Love and Efforts. Our product provide 30 days guaratee. You can purchase our product with full of confidence. We appreciate and care about every customer, if you have any questions or suggestions about our products, pleae contact us via QA or email and we will give you a satisfactory answer within 24 hours.