Usage Tips:Safe material This child safety window is made of plastic and stainless steel, rust-proof, wear-resistant and durable. You don't have to worry about losing your keys and not being able to open your windows. Good protection: This refrigerator door lock can prevent children from opening the refrigerator door or cabinet at will, knocking over items inside or injuring yourself. Can provide good protection for children. Easy to install The child safety gate is easy to use. After confirming the position, peel off the protective film and paste it directly without drilling holes to damage the furniture. Press and hold the side button without releasing it to unlock. Slide the slider up to lock it. Wide application: The window protection for children is suitable for refrigerators, washing machines, cabinets, doors, windows, drawers, etc. Can be installed on any smooth, dry and clean surface, such as ceramic tiles, glass surfaces and metal surfaces. Wide application: Child window protection is suitable for refrigerators, coffee machines wash, cabinets, doors, windows, drawers, etc. Can be installed on any smooth, dry and clean surface, such as ceramic tiles, glass surfaces and metal surfaces. Note: The data are all manually measured, please allow an error of 1 3 cm due to differences in light and display, there may be color differences, please refer to the actual item received.