Customer reviews

4.2 out of 5 stars
4.2 out of 5
11 customer ratings
5 star 59% (59%) 59%
4 star 27% (27%) 27%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 13% (13%) 13%
How does Amazon calculate star ratings?