Customer reviews

4.3 out of 5 stars
4.3 out of 5
8,178 customer ratings
5 star 71% (71%) 71%
4 star 12% (12%) 12%
3 star 5% (5%) 5%
2 star 4% (4%) 4%
1 star 8% (8%) 8%
How does Amazon calculate star ratings?