Durable construction built to last Made from ABS and elastomer materials for strength and reliability. This Cat Door Latch is designed to withstand the efforts of large dogs and resist breakage. Easy to use and compatible One piece design suitable for most door handles. The door latch allows the door to open to approximately 5.6 inches, providing extra large clearance for smooth operation. Simple installation Quick to install: clamp the Cat Door Latch to the door handle, secure with the screw lock, and snap the opposite end into the lock hole. No tools or complicated steps required. Versatile and practical Multi function Cat Door Stopper that helps prevent large dogs from snatching food through the door while allowing cats to enter and exit . Keeps your cat's feeding space comfortable and accessible. Key specifications and features Material: ABS elastomer Compatibility: fits most door handles Opening clearance: approximately 5.6 inches Installation: clamp, screw lock, and snap into the lock hole Use scenarios Kitchen or dining area: let your cat access its food while keeping dogs out of the cat's feeding space. Living area to pantry transition: maintains separate domains for cat and dog, reducing food guarding and door jockeying. Bedroom or study doors: allows cats to move between rooms without letting dogs intrude into restricted areas.