Customer reviews

4.5 out of 5 stars
4.5 out of 5
176 customer ratings
5 star 72% (72%) 72%
4 star 16% (16%) 16%
3 star 6% (6%) 6%
2 star 3% (3%) 3%
1 star 2% (2%) 2%
How does Amazon calculate star ratings?