Air compression large leg wraps. Helps improve blood circulation. Stimulates the pumping action of exercise. Gently applies and releases pressure to help ease aches, pains, and stiffness. Jobar JB6108 International Air Compression Large Leg Wraps Stimulates circulation and helps reduce pain in thighs, calves, ankles & feet. 10 Compression Levels- Applies Gentle Pressure Hand-held Controller Power with 4 AA batteries (not included) or with UL Adaptor (included)