Customer reviews

3.9 out of 5 stars
3.9 out of 5
10 customer ratings
5 star 55% (55%) 55%
4 star 23% (23%) 23%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 22% (22%) 22%
How does Amazon calculate star ratings?