About this item BELIEVE: Believe London® created the "Onyx & Cat Eye Bracelet" to bring a sense of strength and wellbeing to one’s mental state. HIGHEST QUALITY: Beautiful 8mm precious natural stones. Extra strong elastic which means you can wear it every day and not worry about it breaking. HEALING: Onyx is known as the magic stone, giving the wearer strength, releasing any negative emotions and stress. Cat Eye is known to improve one’s concentration and learning ability. PERFECT FOR MEN & WOMEN: Wear our gemstone anxiety bracelets or anklets anywhere and with anything. Our crystal semi-precious bracelets help with stress relief for boys and girls. Also known as yoga bracelets or reiki bracelets. 100% GUARANTEE: Believe London provides a 100% Money Back Guarantee service. If you are not completely satisfied with our jewelry, simply return it with a 100% refund.