Customer reviews

3.5 out of 5 stars
3.5 out of 5
12 customer ratings
5 star 38% (38%) 38%
4 star 20% (20%) 20%
3 star 16% (16%) 16%
2 star 0% (0%) 0%
1 star 25% (25%) 25%
How does Amazon calculate star ratings?