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The freedom to let your cat leave and enter the house whenever it wants is a great way to keep your pet physically active and mentally engaged. A flap can aid in reducing toilet accidents by making it easier for your cat to exit the house when it is required to. Take a measurement of the door A cat flap allows your pet to come and go whenever they'd like without needing to open the door. This makes it ideal to keep them in the house when you're at home or away and helps to keep unwanted pests out of the house