Customer reviews

4.5 out of 5 stars
4.5 out of 5
39 customer ratings
5 star 74% (74%) 74%
4 star 6% (6%) 6%
3 star 15% (15%) 15%
2 star 5% (5%) 5%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?