"Lifetime" is a brand name folks, not a statement.  Ours admittedly were outdoors.  Kind of seemed that was the place for them.  We live in San Diego, so excess of weather isn't the problem. I weight under 200 pounds.  About three years out started rotting and splitting where seat slats attach.  Most all of the slats are now gone, and chair is useless.  So rotted I can't even do a DIY fix.  Were nice while they lasted though, and we didn't have the assembly problems others experienced.  That, I guess, gets us to two stars.  Know what you are getting though: a two year chair.