Cat Mate 4-Way Locking Self Lining Door-Large Cat Small DogWith the 4 Way Locking Self Lining Door from Cat Mate, you'll have complete control over where your pets wanderings will take it. Perfect for large cats and small dogs, this pet door is silent, weatherproof, and completely adaptable. Self lining up to 50mm (2") thick Sealed against draft and weather with magnetic closure Secure double point 4 way lock (unlocked, out only, in only, locked) The doors silent action will not frighten pets or disturb