Customer reviews

4.4 out of 5 stars
4.4 out of 5
19 customer ratings
5 star 67% (67%) 67%
4 star 17% (17%) 17%
3 star 8% (8%) 8%
2 star 0% (0%) 0%
1 star 8% (8%) 8%
How does Amazon calculate star ratings?