Customer reviews

4.2 out of 5 stars
4.2 out of 5
17 customer ratings
5 star 62% (62%) 62%
4 star 16% (16%) 16%
3 star 9% (9%) 9%
2 star 0% (0%) 0%
1 star 12% (12%) 12%
How does Amazon calculate star ratings?