Customer reviews

3.9 out of 5 stars
3.9 out of 5
30 customer ratings
5 star 62% (62%) 62%
4 star 5% (5%) 5%
3 star 9% (9%) 9%
2 star 7% (7%) 7%
1 star 16% (16%) 16%
How does Amazon calculate star ratings?