3 Pieces Sliding Door Blocks Window Locks, Sliding Door Security Window Adjustable Sliding Door Stops Restrict Sliding Windows, Excessive Opening of Sliding Doors 【Sliding Window Lock】This is a security lock used on sliding windows to limit excessive opening, allowing the unit to be closed or opened freely to restore 100% opening of the sliding window, safe and convenient. 【Usage Scenarios】Can be used on sliding windows, sliding doors, or other sliding units. The main function is to prevent excessive opening of windows or sliding doors to avoid accidents. We look forward to your feedback! 【Size and Material】We use excellent quality plastic, lightweight and impact-resistant, providing excellent product quality. The lock measures 13 cm (5.1 inches) long and 9.7 cm (3.8 inches) wide. 【How to Use】Open the sticker on the back of the lock and attach it to the sliding window in a position that allows the window to open wide enough to be safe, or if you need more than one, attach two latches. 【Smart Design】Our designers designed the security lock with the image of a butterfly, which is aesthetically pleasing and can decorate your sliding window, while also having a protective function to prevent pets or children from opening the window too much. Pulling the butterfly's wings is to open the security lock, and folding out the butterfly's wings is to close the security lock. Delivery Quantity: 3 pcs Product Color: White + Green Product Size: 13*9.7 cm Note: Manual measurement, please allow 1 - 3 cm error!!! 100% Satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We will do our best to provide you with satisfactory customer service.