Auto-Inflating Donut Cushion

Auto inflating donut cushion Add comfort to any seat with this donut shaped cushion that evenly distributes weight, while providing support. Helps to relieve pain and pressure caused by prostatitis, chronic pelvic pain, and hemorrhoids. Inflates and deflates in just seconds automatically, with no pumps or batteries. Great for travel, sporting events, movie theaters, and every day use. Polyurethane foam. (13� inches in diameter). Maximum weight 250lbs