* World Standard For Sterile Ultrasound Gel. Sterile Aquasonic 100 Is Recommended For Diagnostic And Therapeutic Ultrasound Applications When Sterility Is Indicated * Overwrapped Sterilized Foil Pouches * Acoustically Correct For The Broad Range Of Frequencies Used In Medical Ultrasound * Non-irritating Hypoallergenic * Completely Aqueous * Will Not Stain Clothing Or Damage Equipment * * Not A Spermicide *