Customer reviews

4.3 out of 5 stars
4.3 out of 5
523 customer ratings
5 star 67% (67%) 67%
4 star 11% (11%) 11%
3 star 11% (11%) 11%
2 star 5% (5%) 5%
1 star 7% (7%) 7%
How does Amazon calculate star ratings?