Customer reviews

3.8 out of 5 stars
3.8 out of 5
7 customer ratings
5 star 42% (42%) 42%
4 star 16% (16%) 16%
3 star 23% (23%) 23%
2 star 19% (19%) 19%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?