"Multi-purpose ultrasound lotion with superior coupling efficiency in a pleasing cosmetic quality base. Recommended for all ultrasound procedures when a lotion is preferred. Also available, Polysonic Ultrasound Lotion with Aloe Vera. Features : - Pre-gelled inside with Aquasonic® 100 Ultrasound Transmission Gel - Latex-free, non-irritating, non-sensitizing, non-sterile - Only one probe cover is required for each procedure.