Customer reviews

4.4 out of 5 stars
4.4 out of 5
39 customer ratings
5 star 68% (68%) 68%
4 star 19% (19%) 19%
3 star 0% (0%) 0%
2 star 6% (6%) 6%
1 star 7% (7%) 7%
How does Amazon calculate star ratings?