Customer reviews

4.3 out of 5 stars
4.3 out of 5
30 customer ratings
5 star 50% (50%) 50%
4 star 34% (34%) 34%
3 star 16% (16%) 16%
2 star 0% (0%) 0%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?