These yin and yang bracelets are a complimentary set. 
 
Keep one for yourself and give the other to your other half.
 
Or you can wear one on each wrist to help balance internal energy. 
 
Yin: black, left, female, receptive, passive, night, winter
Black Onyx: Strength, selfcontrol, divine alignment, connection
 
Yang: white, right, male, giving, active, day, summer
White Howelite: calming, focus on goals, boost motivation, and relieves stress and anxiety.