I received this as a free sample.  Would I have bought it otherwise, not sure yet.

This is a good concept and product.  The smell is fantastic and it's convenient.

It would be easy to replace if you attach it to your dryer, the refill slides off and on however I refused to attach it to my dryer because I don't want to have to deal with sticky residue adhesive should it fall off and not restick or if I decide to stop using it (or bounce ever stops making it) inside my dryer.

I had concerns at first with the clothes coming into contact with the bar and it leaving marks but I've done what another...