Customer reviews

4.2 out of 5 stars
4.2 out of 5
38 customer ratings
5 star 50% (50%) 50%
4 star 24% (24%) 24%
3 star 18% (18%) 18%
2 star 8% (8%) 8%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?