Large Lockable Dog Door

This large lockable dog door is designed to provide convenient and secure access for medium to large dogs. Made from high-quality ABS material, it offers durability and long-lasting performance for everyday use. The double-sided flap allows free entry and exit while helping reduce drafts, and the additional locking panel gives you control over when your pet can go in or out. Ideal for active breeds such as Border Collies, this pet door combines strength, functionality, and flexibility for modern pet households.