Detailed Product Description bijouterie necklace Silicone ion necklace ION necklace Customer supreme,Quality first! OriginChina Brand IMAZINE3-Size 44 cm(16.93".XS) /46cm/ 50cm(21.65"L) 6-colorwhite / black / red / blue Ions content more than 1700ions/ccMaterials health silicone+negative ions Gift box xize33*12*2cm Gift box weight 0.12kg/pcs Using direction :-->1. It can be put into water or hot ...