Customer reviews

4.3 out of 5 stars
4.3 out of 5
421 customer ratings
5 star 64% (64%) 64%
4 star 16% (16%) 16%
3 star 8% (8%) 8%
2 star 5% (5%) 5%
1 star 7% (7%) 7%
How does Amazon calculate star ratings?