Customer reviews

4.3 out of 5 stars
4.3 out of 5
9 customer ratings
5 star 70% (70%) 70%
4 star 18% (18%) 18%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 12% (12%) 12%
How does Amazon calculate star ratings?