Silicone Necklace: 1.Good quality 2.Reasonable price 3.Delivery on time 4.Promotional all over the world Silicone Necklace Applicable to: sports enthusiasts, travel enthusiasts, cervical spondylosis, fatigue of the crowd Effectiveness:Help strengthen the body blood circulation, relaxation, to the wrist relax and relieve mental and physical. Increase the transmission of human energy, improve ...