Customer reviews

4.1 out of 5 stars
4.1 out of 5
18 customer ratings
5 star 64% (64%) 64%
4 star 15% (15%) 15%
3 star 0% (0%) 0%
2 star 4% (4%) 4%
1 star 17% (17%) 17%
How does Amazon calculate star ratings?