Customer reviews

4.5 out of 5 stars
4.5 out of 5
18 customer ratings
5 star 73% (73%) 73%
4 star 19% (19%) 19%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 8% (8%) 8%
How does Amazon calculate star ratings?