The Dzgate10 baby gate wall protector set includes 4 cups made of plastic to protect walls from damage. These wall cups come with 4 threaded spindles that are 8mm in diameter, designed to be used with baby gates to prevent injuries to babies and dogs. The pressure-mounted cups are lightweight at 1.37 pounds and easy to install with a screw closure type. The Dizywiee brand ensures quality and reliability for keeping your baby and dog safe.