Thank you for viewing! [Door Stopper and Window Lock] This is a security item to securely lock your home's windows and sliding doors, protecting the safety of children and pets. It comes with 10 locks and is easy and convenient to install. [Secure Fixing with High-Adhesive Tape] Uses strong backing tape that adheres firmly to the window and is also easy to remove. You can use it with peace of mind as there is no worry of causing damage. [Easy Locking System] When opening sliding doors or windows, spread the wings, and they act as stoppers when closed. Installing 2-3 locks provides more secure locking. [Wide Range of Use] Ideal for securely locking windows and sliding doors in areas such as balconies, living rooms, kitchens, and balconies. Also effective against burglars. [Easy Installation] Simply stick it on and use it; no screw adjustments are needed. Press firmly onto the installation surface to secure it, and allow it to sit for 24 hours before use. 51-67