Psi Bands are clinically proven, FDA cleared acupressure wrist bands for the relief of nausea. Natural and drug-free, they don't cause side effects such as dry mouth and drowsiness like many over the counter medications. PsiBands are adjustable around the wrist (fits up to 7.5" wrist) and at the acupressure point for a personalized and comfortable fit. They're waterproof and can be worn in the shower, swimming, and washing dishes -no waterlogged bands! Two bands per package, one for each wrist.