WHY YOU NEED IT --- Prevent babies from rummaging through cabinets, refrigerators or various furniture that parents don't want babies to open. Not only effective for babies, but also for pets around the house. INSTALLATION OPTIONS --- - No additional tools required for installation, just use 3M adhesive (better after 24 hours). When not in use, it can be easily removed with a hair dryer without leaving any residue. Multi-Scene --- Suitable for all common furniture, including toilets, cabinets, furniture, appliances, doors, cabinets, dressers, refrigerators, freezers, dishwashers, garbage cans, washing machines, dryers and windows. EASY TO USE --- Open the semicircle button to unlock, press the button to lock. It is easy to operate for adults, but children cannot open it due to the limitation of finger strength. The versatile lock blends into the home environment without attracting the eye. your baby's attention. This 8 piece set is a great value to use and will meet most of your home's furniture needs.