Customer reviews

4.5 out of 5 stars
4.5 out of 5
78 customer ratings
5 star 81% (81%) 81%
4 star 3% (3%) 3%
3 star 4% (4%) 4%
2 star 4% (4%) 4%
1 star 7% (7%) 7%
How does Amazon calculate star ratings?