Sterile Ultrasound Gel: Used in vaginal and intrauterine examinations, surgical operations, in ultrasonographic applications in tube baby techniques and in biopsy. Disposable Sterile Packages is 20 ml Ultrasound Gel sterilized by Gamma rays. It has 3 years shelf life. Non-Sterile Ultrasound Gel: Bacterias that may be carried over products by air are not formed. It is easy to us for doctors, It gives confidence to the patient about the first usage of product. In any kind of ultrasonography and doppler application, it cuts off the air between the skin and the probe and allows ultrasonographic waves to reach the device monitor in a more clear and uninterrupted manner. With the assistance of the vacuum technology used in production, active substances in its content and its high viscosity it does not damage the probe. It is not affected by the body salt during the use, ensures an easy ultrasonography. It is FDA approved. Proven by tests done in University of Michigan that it provides 50% better transmission of ultrasound waves when compared with the most selling brand of the world Storage: Store in a cool and dry environment between 5 - 30 °C away from direct sunlight