Customer reviews

4.3 out of 5 stars
4.3 out of 5
173 customer ratings
5 star 58% (58%) 58%
4 star 25% (25%) 25%
3 star 11% (11%) 11%
2 star 4% (4%) 4%
1 star 1% (1%) 1%
How does Amazon calculate star ratings?