Customer reviews

4.2 out of 5 stars
4.2 out of 5
33 customer ratings
5 star 53% (53%) 53%
4 star 25% (25%) 25%
3 star 8% (8%) 8%
2 star 14% (14%) 14%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?