... it mixed MAGMA-Q&Tourmaline2,This ion silicone watch can emit negative ions and infrared which ... imune function.3,Light weight(10g),variety colors ,fashion design,water resistance (3ATM)4,Negative ion ... Print/deboss/emboss/are possible.9,Packing:each watch in unit PPbag, or blister,PVC Tube, ... quality.11,This is ion watch, sport watch,fashion watch, silicone watch ,bracelet watch,rubber watch and so on.