Customer reviews

4.2 out of 5 stars
4.2 out of 5
8 customer ratings
5 star 47% (47%) 47%
4 star 26% (26%) 26%
3 star 27% (27%) 27%
2 star 0% (0%) 0%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?