Dreambaby Sliding Locks aid in securing cupboards and cabinet doors to help keep small children safer from what's inside. Sliding Locks require no installation and can be opened with a simple one-handed maneuver. Simple push down and slide the lock tight against the handles.Helps to prevent children entering cupboards and cabinetsNew and improved design to help handles be more tightly closedSuitable for D-shaped or mushroom shaped knobs up to 6.5-in apartSingle-handed operation