Customer reviews

4.4 out of 5 stars
4.4 out of 5
357 customer ratings
5 star 63% (63%) 63%
4 star 22% (22%) 22%
3 star 7% (7%) 7%
2 star 4% (4%) 4%
1 star 4% (4%) 4%
How does Amazon calculate star ratings?