Mattress topper was fluffy & comfortable for the first few days...then the body "indents" started to form.  Now it's like the topper isn't even there unless I take off the entire thing & fluff it out a few times. (Which will then eventually return to the flattened state within a night or two anyway.)  However; this topper still helps relieve some lower back pain that was caused by sleeping on a plain mattress, so I will continue to use it until I can find something better.

Easily machine washable
Looses shape quickly