It's water based, not greasy, transparent, non smelling , ultrasonic wave transmitting gel for better visibility through USG/ better electrical wave conduction for ECG monitoring, and foetal dopler study of foetal heart sound and also use in extensive physiotherapy ultrasound therapy. Lebel of each bottle may not available due to high offer price for pack of 3. One lebel on the box is provided. Style of bottle may be change as per availability.MD113