Features: Material:Titanium steel Color:As the Picture Show Style:Fashion Type:Jewelry Sets Processing:Jewels Brand:Unbranded Country:China Modeling:Heart shape Style:Couple style Size: Inner circumference of the bracelet: 16.5cm Necklace length: 51cm Pendant length: 3.5cm Width: about 1.7cm Package include: 1*Jewelry Sets SMART DESIGN - Lock bracelet and key necklace is 2.2 inches in diameter and fits a small wrist. We recommend that you measure your wrist before buying to avoid it not fitting your wrist. Necklace chain length is 19.8 inches. Romantic matching couple jewelry symbolize that only this key will open up the heart lock bracelet AMAZING QUALITY - Made of high quality titanium steel, the love heart bracelet with key necklace is laser cutting and polishing technique, anti- rust, nickel free and hypoallergenic for safe, comfortable wear. The heart bracelet has a smooth shining surface, long-time color retention, excellent craftsmanship and top quality, and it is amazingly hypoallergenic shiny rhinestone embed makes the bracelet more charming and elegant, you deserve to own It COUPLE SELECTION - Unique design by womens heart lock bracelet with mens key necklace, the couples jewelry is romantic gifts for girlfriend and wife on valentines day, Christmas, birthday, wedding, anniversary. It is a unique and romantic way to express your everlasting love. It means you'll always be together forever HOW TO OPEN AND CLOSE - Key necklace and lock bracelet couple bracelets set is very delicate jewelry, so it takes a little skill to open and close. Align the key with the lock core of the bracelet, rotate it 90° clockwise, it is opened; align the sides of the bracelet , fasten it tightly and it will close