Customer reviews

4.5 out of 5 stars
4.5 out of 5
254 customer ratings
5 star 74% (74%) 74%
4 star 12% (12%) 12%
3 star 7% (7%) 7%
2 star 1% (1%) 1%
1 star 6% (6%) 6%
How does Amazon calculate star ratings?