PRICES MAY VARY. 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 COUPLE SELECTION - Unique design by womens heart lock bracelet with mens key necklace, the couples jewelry is romantic gifts for girlfriend and wife on valenti