Big John Sliding Window and Door Stopper

Big John Sliding Window and Door Stopper is also known as window wedgie, an added security for sliding doors and windows. The stopper prevents children from getting out and prevents outsiders from getting in. This stopper helps prevents falls and is for use on almost all sliding doors and windows, also stopping them from opening too far. It has a heavy duty suction cup. The stopper can withstand over 90 pounds of force. It is easily removable and adjustable by adults and is simple to install.