Durable and resistant: The transparent round cat flap is made of durable ABS plastic, which is weather resistant, comfortable and easy to use. 4-Way Locking Pet Flap: The 4-Way Locking Pet Flap Door Can Easily Be Adjusted To Control The Entry And Exit Of Your Pets, Makes Coming In And Out Easy, More Friendly And Comfortable. also secure your pets. Locking option including: Entry Only, Exit Only, 2 Way, Locked. Safe and Thoughtful: Transparent flap allows pet to see through the door. The outer rain seal is waterproof. The brush strip eliminates the sound of closing the door. Easy to install: Complete instructions included, allow you to easily install in windows, doors, cabinets, panels and walls, etc. Suitable for all animals: Cat flap hole door is suitable for all types of cats and some small dogs; give your pets more space.