Customer reviews

4.5 out of 5 stars
4.5 out of 5
78 customer ratings
5 star 73% (73%) 73%
4 star 12% (12%) 12%
3 star 8% (8%) 8%
2 star 4% (4%) 4%
1 star 3% (3%) 3%
How does Amazon calculate star ratings?