Today only, these Essential Oil Diffuser Pendant Necklaces drop from $18 to $5 at PinkEPromise, plus shipping free. This is the lowest price we could find and matches the lowest price we have seen. The pendants measure 1.2" and hang from a 24" chain and you get 10 different colored pads. Choose from six different styles. Plus a portion of the proceeds will be donated to a breast cancer foundation. There is no sales tax (except PA).