The pair of light holders I received were quite large, so the price for the pair was very reasonable. When a light is inside it adds a nice glow to any room. I'm unsure if there was a noticeable difference in air quality or atmosphere once I welcomed them into my decor, but just having them in my space definitely adds some ambiance and puts me at ease. 

The only reason why I didn't give this product 5 stars is because once I opened the package both salt crystals were flaking apart and it was messy to take the plastic off of them. Understandable since these are made of salt, but a little annoying none the less. Regardless, I love this pair of light holders and would definitely recommend them.