Extensively tested for years of use! Soft gel pad for greatly reduced recoil One size stretches to fit most rifles and shotguns Easy on and easy off Won't harm stocks Non-slip pad face texture The Shock Shield is the simple solution to reducing recoil in a variety of rifles and shotguns. No need for different size pads, as its one size design stretches and contours to a variety of stock shapes and dimensions. Filled with a pocket of soft gel, felt recoil is greatly reduced. Easy on and easy off. Simply stretch it over the butt of your firearm. Keep one in your range bag so you always have it handy!