Energy Force Ionic Balance Flexibilty and Strength Enchancing Bracelet synthetic Color options: Black, clear, pink, red, 100-percent surgical grade silicone wristband, Two frequency embedded holographic disc on each side Stretches easily over your hand, Water resistant and designed to endure every day activities, Improve balance and strength Improve flexibility and range of motion, Improve focus and awareness, Improve immune efficiency Reduce stress and tension, Reduce recovery time Sizing: Small 6.9-inches/ Medium 7.5-inches/ Large 8.1-inches, The claims made by the product manufacturer have not been evaluated by the FDA and is not intended for medical use.