Customer reviews

3.9 out of 5 stars
3.9 out of 5
31 customer ratings
5 star 59% (59%) 59%
4 star 17% (17%) 17%
3 star 0% (0%) 0%
2 star 4% (4%) 4%
1 star 20% (20%) 20%
How does Amazon calculate star ratings?