You can keep it outside without damaging it in the summer. I would not leave it out in the winter unless you live in the south. Here are some links to indoor and outdoor chaises. Good luck!

If you want to see the outdoor chaise lounge picture, you can try this blog.
http://outdoor-…
The advantages for outdoor chaise lounge are also can find at that site.That outdoor chaise lounge site provide an information about outdoor chaise lounge.