Customer reviews

4.2 out of 5 stars
4.2 out of 5
42 customer ratings
5 star 67% (67%) 67%
4 star 10% (10%) 10%
3 star 4% (4%) 4%
2 star 13% (13%) 13%
1 star 6% (6%) 6%
How does Amazon calculate star ratings?