???? These bracelets are made of high quality materials including natural crystals such as carnelian, red jasper and clear quartz. ???? All stones included in this product are certified by the Gem Museum, which ensures their authenticity and quality guaranteed. ???? These couple bracelets are a perfect gift for any occasion; they are a meaningful and romantic way to express your love. ???? We offer a 30-day, unconditional money-back guarantee so you can make your purchase with confidence.< a i=4>???? Our 6-month elastic cord guarantee provides added durability and security.