Customer reviews

4.1 out of 5 stars
4.1 out of 5
22 customer ratings
5 star 48% (48%) 48%
4 star 27% (27%) 27%
3 star 19% (19%) 19%
2 star 0% (0%) 0%
1 star 6% (6%) 6%
How does Amazon calculate star ratings?