It stays in place really well & provided full coverage. It is large enough to cover your neck and back to the waist.

This is the best heating pad i have ever owned. I wish the part that goes around the neck was made a little differently. It works well.

The heat is nicely distributed from neck to lower back. It can be flipped on either side and still receive heat. It is especially helpful that it covers my entire back; whereas i would need 3 hot packs to get the problem areas covered, and placing hot...  Read More

A month later and what seven days doesn't work. It has to be reset every 90 mins so it won't work to fall asleep to. Can't return now either. Missed the return deadline.

Not liking this product at all.