Keeping mosquitoes away has never been easier.A mosquito wristband is a silicon based band that can be worn on the wrist. It helps keep mosquitoes, sand-flies, midges and insects away.The benefits are plentiful:Natural, non-toxic, DEET FREE formulation.Simple, convenient and safe to use – no spraying required.Effective for up to 48 hours.Fashionable.Waterproof.Adults' Mosquito Bands Size: Diameter: 6.69 cm (Ages 13+). Will fit most teens and adults.