Outstanding product.
I was really hesitant about spending upwards of $50 for whitening strips.  So, when I discovered this product and how inexpensive it was, I was more open to try and and it's a good thing I did.  I could see my teeth whitening within the first few uses of it.  I use to find it at my local grocery store but lately haven't been able to find it so I'll just have to buy it on Amazon.
Rating: 5 stars