Customer reviews

4.3 out of 5 stars
4.3 out of 5
139 customer ratings
5 star 67% (67%) 67%
4 star 15% (15%) 15%
3 star 8% (8%) 8%
2 star 7% (7%) 7%
1 star 4% (4%) 4%
How does Amazon calculate star ratings?