Protect your screen door and your pooch when you place this gate in front of it. The Lock and Block Sliding Glass Door Dog Gate is the perfect solution for those days you want fresh air, but don't want to worry about your dog breaking the screen door. This products is currently patent pending and is the only gate like this found on the market today! To set up simply clamp the gate on the moving panel of the glass door. The gate opens in both directions for easy access and use. This gate not only saves your screen door from doggy destruction, it can reduce the risk of injury to your furry friend by giving them a visible barrier between them and the outdoors. Not only does it keep pets safe, but it can be used as a child gate as well! Enjoy fresh air safely with your new sliding door gate.