Are you looking for an insulated cat door for your precious cat? What makes a Freedom Pet Pass cat door different is the the scientifically proven airtight cat flap. We offer the only cat door flap that seals airtight every time your cat passes through. Keep the kitty littler smell isolated or give your cat the freedom to go outside without raising your energy costs. Don't worry if your cat is timid. There is a simple way to adjust the magnetic pressure of the seal so cats of any size can easily pass through.