Customer reviews

4.4 out of 5 stars
4.4 out of 5
39 customer ratings
5 star 71% (71%) 71%
4 star 12% (12%) 12%
3 star 11% (11%) 11%
2 star 3% (3%) 3%
1 star 4% (4%) 4%
How does Amazon calculate star ratings?