Protection Plus- Sliding Glass Door and Window Accessory Sliding glass door accessory that helps prevent glass door mishaps. It is a visual marker and a lock that is effective for locking windows too. No installation required applies with a suction cup. For anyone that has ever owned a home or visited a home with a sliding glass door, walking into one of those doors can cause embarrassment, not to mention an injury. The Protection Plus helps to eliminate these mishaps, and also functions as a do
