4.75" x 6.5", Bx/40 * Peel-n-Stick, the "Heating Pad You Can Wear" * It provides soothing comfort for minor aches and pains, as well as extended everyday warmth during outdoor sporting activities * Simply stick your Adhesive Body Warmer to an inner layer of clothing to enjoy over 12 hours of heat * 12+ Hours of warmth * Average temperature 127 degree F *