Customer reviews

4.2 out of 5 stars
4.2 out of 5
80 customer ratings
5 star 67% (67%) 67%
4 star 12% (12%) 12%
3 star 3% (3%) 3%
2 star 9% (9%) 9%
1 star 9% (9%) 9%
How does Amazon calculate star ratings?