Customer reviews

4.2 out of 5 stars
4.2 out of 5
81 customer ratings
5 star 59% (59%) 59%
4 star 21% (21%) 21%
3 star 8% (8%) 8%
2 star 4% (4%) 4%
1 star 8% (8%) 8%
How does Amazon calculate star ratings?