Customer reviews

3.8 out of 5 stars
3.8 out of 5
17 customer ratings
5 star 45% (45%) 45%
4 star 22% (22%) 22%
3 star 13% (13%) 13%
2 star 12% (12%) 12%
1 star 8% (8%) 8%
How does Amazon calculate star ratings?