This high-quality Sash Window Wedge Stopper is the perfect solution to keep your sliding windows open without the risk of slamming shut. Designed to work with sliding windows of any brand, this stopper is a must-have for any home window or DIY project. Made by the trusted brand Celtic Woods, this stopper is durable and easy to install. Crafted with precision, this stopper ensures that your sliding windows stay open while allowing fresh air to circulate in your home. Keep your sliding windows open with ease and convenience with this reliable Sash Window Wedge Stopper.