Customer reviews

4.5 out of 5 stars
4.5 out of 5
319 customer ratings
5 star 70% (70%) 70%
4 star 18% (18%) 18%
3 star 6% (6%) 6%
2 star 3% (3%) 3%
1 star 3% (3%) 3%
How does Amazon calculate star ratings?