Customer reviews

4.3 out of 5 stars
4.3 out of 5
18 customer ratings
5 star 48% (48%) 48%
4 star 38% (38%) 38%
3 star 9% (9%) 9%
2 star 6% (6%) 6%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?