Customer reviews

4.2 out of 5 stars
4.2 out of 5
179 customer ratings
5 star 58% (58%) 58%
4 star 21% (21%) 21%
3 star 11% (11%) 11%
2 star 4% (4%) 4%
1 star 6% (6%) 6%
How does Amazon calculate star ratings?