Combination Lock Design - Made of high quality ABS material, not easy to scratch or deform, three-digit password setting, increase the safety of the baby safety drawer block, no key required, no need to worry about losing the key. CHILD SAFE - The door latch is made of durable steel cables that can withstand any pulling force from a child's hand. This prevents children from accidentally opening it and avoids potential dangers. EASY TO USE - No drilling or screwing required, just apply the 3M adhesive to a clean surface of the refrigerator. The window block immediately adhered to the refrigerator. WIDELY USE - The baby door stopper is suitable for fixed freezers, chest freezers, washing machines, medicine cabinets, pantries and more. It is perfect for homes, large windows and public spaces.