Pet Door 4 Way Lockable Security Flap Door for Dog Cat Kitten Wall Mount Door Animal Small Pet Cat Dog Gate Door
Controllable Access Openings Cat Dog Door Window Plastic Cave Pet Cages Kit 
Features: 
Cat and dog door, window plastic pet door; 
High quality unique adjustable 2-inch door lining; easy to install and suitable for all doors, panels and walls; 
Cat door has an easy-to-use, tamper-proof 4-way lock and super-tough polymer weatherproof seal ring; 
4-way locking liner; 
External sealing ring can prevent rain and water from entering; 
Seals can reduce attrition and allow cats to move in and out of silence.
Specifications:
Color: brown, white
Material: ABS
Size:
S: connected frame size: 20X19.2X1.5cm / 7.8X7.5X0.8in, door cover size: inner door 15X15cm / 5.9X5.9in
M: connected frame size: 20X19.2X5cm / 7.8X7.5X2.1in, door cover size: inner door 15X15cm / 5.9X5.9in
L: connected frame size: 25X23.5X5.5cm / 9.8X9.3X2.1in, door cover size: inner door 19X18.2cm / 7.5X7.2in
XL: connected frame size: 28.5X25X5.5CM /door cover size: inner door 22X20cm 
Notes:
1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
2. Please allow 1-2cm measuring deviation due to manual measurement.