OPPO SlideLock (Slide Lock) Set of 2 Stored with almost no use. A pet door opening prevention item that locks simply by inserting it into a sliding door. Also usable for small children. The back is slip-resistant, so it fits firmly into the gap and won't slip off. Made of soft silicone material, it's a gentle stopper for both cats and humans. ● Easy lock just by inserting You can easily lock sliding doors without locks, such as cabinets and closets that cats love, just by inserting it. ● Can also be used for hinged doors You can also use it as a door stopper by inserting it under a hinged door.