Customer reviews

4.4 out of 5 stars
4.4 out of 5
19 customer ratings
5 star 69% (69%) 69%
4 star 16% (16%) 16%
3 star 8% (8%) 8%
2 star 0% (0%) 0%
1 star 7% (7%) 7%
How does Amazon calculate star ratings?