Weave titanium necklace 1> Material: surface nylon , inner silicone cord with titanium germanium ingredient 2> Peculiarity: One rope or three rope or available. Easy to release and to wear plastic clasp 3> Colors:Can be custom made in different colors,different colors can match different clothing. 4> Sizes:Length is 48CM,other sizes are welcomed 5> LOGOS: Customized logos and patterns can be woven onto the ropes 6> Function:*Stimulating blood circulation,Release pain and tightness of neck. 7> Purpose:Stylish and fashionable to wearing,Ideal for promotional presents, party, and gift 8> OEM and ODM orders are welcome