Design concept - When you are in love with her/him, wearing this pair of necklaces is like feeling each other's heartbeat, as if she/he is always by your side. Give this necklace as a gifts for boyfriend/girlfriend and it will bring you closer together.Matching Yin Yang pendant - Personalize BFF Yin Yang matching bracelets.They are good matching puzzle couples friendship relationship bracelets. As your unique friendship and love.Crafted material - The Yin Yang necklaces is made of high grade plating, not easy to wear, not allergic and very skin-friendly. Can be worn while swimming or bathing.Adjustable length - Whole couple necklaces measures chain length 15" to 18" approximately. One size fit for all.Sweet couple gifts - Our magnetic couples necklaces is a exquisite and sweet boyfriend gift, girlfriend gift, couple gift, lover gift on Valentine's Day, Christmas, Engagement, Anniversary, Birthday, Father's Day, Mother's Day.Note: Data are all measured manually, please allow for an error of 1-3cm. Due to differences in light and display, there may be a certain color difference, which is subject to the actual object received.