Heart-Gard® Tough, high density polyethylene dome absorbs impact energy and forces it away from the heart. Small size covers the vital area of the chest, yet does not restrict movement. Improves confidence and playing ability. Heart-Gard® is small in size, measuring 6" x 6", yet is the largest rigid plate over the vital area of any protector and does not restrict movement. Kids learn faster and with greater confidence. When worn under the uniform, it is virtually invisible. Cool and lightweight, weighing less than 3 oz., kids forget they are wearing it. Adjustable elastic straps. One size fits all up to 120 lbs. Patent #5,245,706 Many teams and leagues require Heart-Gard® as mandatory equipment Warning Heart-Gard® is designed to reduce ball impact to areas covered by the device. The device, if properly worn, should reduce the risk of injury, but will not necessarily prevent all injuries. The user should consult product information prior to use and should be used only under adult supervision. There is no guarantee or warranty from injury.