Customer reviews

4.1 out of 5 stars
4.1 out of 5
36 customer ratings
5 star 63% (63%) 63%
4 star 4% (4%) 4%
3 star 20% (20%) 20%
2 star 7% (7%) 7%
1 star 7% (7%) 7%
How does Amazon calculate star ratings?