Reasons to Confine Your Cat

It cannot get lost
It cannot get run over
It cannot annoy your neighbours and cause destructive neighbourhood relationships
It reduces the chance of getting involved in fights with other cats or dogs; therefore vet bills are reduced
There is less chance of picking up diseases from other cats, especially strays, such as feline aids or feline enteritis
It cannot be trapped and taken to a shelter as a 'stray' by annoyed neighbours.
Indoor cats are generally cleaner than outside cats, therefore they require less grooming.
There is a smaller chance of it picking up parasites such as fleas and worms.
Confined cats cannot kill native fauna or other animals
Inside cats tend to be more placid and relate better to owners, giving more affection

Your cat can live a long, healthy and happy life completely indoors provided you supply them with: