Customer reviews

4.5 out of 5 stars
4.5 out of 5
70 customer ratings
5 star 77% (77%) 77%
4 star 9% (9%) 9%
3 star 6% (6%) 6%
2 star 0% (0%) 0%
1 star 8% (8%) 8%
How does Amazon calculate star ratings?