SonicGel ultrasound gel in 5 liter packaging suitable for all types of ultrasound. Water-based, easily removed and leaves no marks. Each package includes 1 auxiliary container of 250ml for easier use. Ideal for all medical specialties (Cardiology, gynecology, obstetrics, etc.) Does not contain salts, suitable for ultrasound therapy and muscle toning. Water-soluble, hypoallergenic.