Thank you for viewing this page. Instant purchase welcome! No prior comments are necessary. ※ Set of 6 〇 Material: ABS resin 〇 Size: Width 8.9cm (when open) Height 7.4cm Thickness 0.8cm 〇 Weight: Approximately 2g Easy to install, a simple window stopper that opens and closes with one touch. For crime prevention, as well as preventing small children and pets from running out. Using two will further enhance the crime prevention effect! 〇 How to use 1. Thoroughly clean the surface to be installed. 2. Determine the installation position, peel off the release paper on the main unit, and press firmly to adhere. 【Precautions for use】 〇 This product is only a simple safety device. Be sure to use it in conjunction with other security products. 〇 Uses strong adhesive tape. Please be careful about the installation location and direction. 〇 Please be careful not to drop it when installing or removing it. 〇 This product is an auxiliary stopper to enhance crime prevention effects. Do not use it for any other purpose.