Customer reviews

4.4 out of 5 stars
4.4 out of 5
403 customer ratings
5 star 63% (63%) 63%
4 star 22% (22%) 22%
3 star 11% (11%) 11%
2 star 2% (2%) 2%
1 star 3% (3%) 3%
How does Amazon calculate star ratings?