Customer reviews

4.5 out of 5 stars
4.5 out of 5
27 customer ratings
5 star 72% (72%) 72%
4 star 19% (19%) 19%
3 star 0% (0%) 0%
2 star 9% (9%) 9%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?