Customer reviews

4.7 out of 5 stars
4.7 out of 5
39 customer ratings
5 star 80% (80%) 80%
4 star 12% (12%) 12%
3 star 3% (3%) 3%
2 star 5% (5%) 5%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?