You need building materials, scratching posts and toys to make your catio a perfect oasis.

A woman's boyfriend and her grandpa have melted hearts online after a clip of them working together to build a "catio" for her indoor feline quickly went viral.

A "catio" is an enclosed patio for cats – and at least a human or two who want to visit with the pets in a confined space outdoors.

Catios should give cats as much vertical and horizontal space as possible. Think of your own comfort and then be willing to provide that for your cat.

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You might need to start over with short visits to the catio and by joining your cats inside the enclosure, playing with them ...

Catios can be a standalone structure in a yard or garden (or on a patio or deck) or be attached to the outside of a window or ...

These catio design ideas will help your feline enjoy the great outdoors without worry.

Cats can prowl around the enclosure without their paws ever touching the ground. Catios are not only about looks, they also keep cats safe.

The picture-perfect catio includes a turf floor, stairs going to different levels, perches, and larger-than-life cat scratching posts. It is a playground for cats and these cats are obsessed.

If you build the catio large enough, you can also integrate a sitting chair for yourself, allowing for additional bonding time with your cat outdoors, which is healthy for both parties.

These catio design ideas will help your feline enjoy the great outdoors without worry.