syi. it has been tested by real people wearing it for long periods of time, in swimming, sweating, bathing, washing dishes and other liquid situations, without allergy or colour loss.
..syi when need use it, you only need to open it to connect the blower, turn on the power, it will expand, when you are not using it, exhaust the internal air and fold it, very practical and convenient.which is suitable for cold and weather,indoor and outdoor use,.