Customer reviews

4.5 out of 5 stars
4.5 out of 5
159 customer ratings
5 star 71% (71%) 71%
4 star 13% (13%) 13%
3 star 10% (10%) 10%
2 star 3% (3%) 3%
1 star 3% (3%) 3%
How does Amazon calculate star ratings?