Improve leg circulation with the Mind Reader adjustable massage surface device that lifts and angles your legs, feet, knees and ankles to a position that reduces stress on the body - improve back and neck pain while you sit at work or at home - slight swivel adds flexibility while you sit or massage feet. Proper posture and sitting position are key to overall comfort - making sure your legs and feet are positioned comfortably while you work or while sitting at home allows you to maintain overall comfort throughout the day - when you sit with correct posture you help your neck, back, feet overall comfort and wellness. Details:BlackApproximately 13. 4" x 17.8" x 4. 4"Lightweight and sturdyErgonomic, adjustable, and angled