Customer reviews

4.4 out of 5 stars
4.4 out of 5
231 customer ratings
5 star 67% (67%) 67%
4 star 16% (16%) 16%
3 star 9% (9%) 9%
2 star 3% (3%) 3%
1 star 4% (4%) 4%
How does Amazon calculate star ratings?