Ani Mate Inc - Lockable Self Lining Cat Door White Cat: Doors This high quality product with its unique trimmable door liner enables neat, easy installation and is ideal for all doors, panels and walls. The cat flap features an easy to use, tamper-proof Open/Closed lock and a weather-proof brush sealed flap made from super-tough polymer. Self lining to 2"" (50mm). White Ship Dim: 8.7x7.82.4 in Ship Wt: 0.9 lb