Mabis Therabeads Collar for Moist Heat Therapy for Upper and Lower Back and Shoulder Pain, 12" x 16".

• Therabeads consist tiny, hydroscopic beads mixed with a special, proprietary fluid that enhances their ability to capture moisture.
• Conforms to any part the body for a snug fit.
• Fully Adjustable with Closure.
• Requires no soaking, boiling or electrical wires, heat in the microwave