Sticky!
Really sticks in your shoes.  Be sure you have it placed right because there it will stay.  They were a bit too thick for me and my feet ached after a few hours of standing.  To be fair, I've had extensive damage to my feet due to a car crash some years ago.  I gave them to a friend and she felt they were helpful. (Suggestion: place them in with masking tape and wear for a bit before committing to pulling off the paper backing.)
Rating: 3 stars