Customer reviews

4.5 out of 5 stars
4.5 out of 5
515 customer ratings
5 star 72% (72%) 72%
4 star 15% (15%) 15%
3 star 7% (7%) 7%
2 star 2% (2%) 2%
1 star 4% (4%) 4%
How does Amazon calculate star ratings?