silicone necklace and bracelet/silicone rubber necklace: Detailed Product Descriptiontitanium necklace suit for who concentrate on a long time and brain use frequently,who love sports, outdoor enthusiasts etc. Product:New Silicon Titanium Necklace/silicone necklace/necklaceFeatures of products:1.Physical principles, no side effects. 2.Environmental protection, non-toxic, safe and reliable. 3.Many difference colors and size suitable for different requirements.it is flexible, convenient, beautiful, fashion and health. 4.Including special material, which are good for blood circulation, improving the quality of sleep and immunity, It have good effect for anti-fatigue and anti-radiation, and can effectively eradicate cervical problems. Notes:1. Encountered in the water or hot water will not affect the results.2. Do not use washing machines or dryers to prevent life shortening.3. Do not wear in eczema or the open wounds.4. If have a skin itching after used, please stop and consulting a doctor.5. The shape will deformation by pulling force, please note that when using.6.As it is resin with adhesive and stick to the stolen goods, please clean water used and natural dry ,after that you can use.7.Avoid direct sunlight exposure and high-temperature and humid, keep at room temperature.Packaging:100pcs/bag,10bags/ctn(we can also do the package as your requirements.)If you are interested in them,pls contact us in your spare time!