Anti Static Bracelet Negative Ion Basketball Energy Balance Men and Women Waterproof Silicone Lovers Bracelet Anti FatigueThe bracelet uses medical silica gel containing energy elements such as negative ions to form an overall energy circle to physically adjust the positive and negative ratio of the current of the human body to eliminate static electricity.Generally, the static electricity gradually decreases within 1-2 weeks, and it may take 3-4 weeks for severe static electricity. It will gradually ease, please keep wearing itProduct specifications: length 24cm width 1.3cmMaterial: medical grade siliconeApplicable wrist circumference: 15-23cm