Customer reviews

4.5 out of 5 stars
4.5 out of 5
49 customer ratings
5 star 75% (75%) 75%
4 star 9% (9%) 9%
3 star 9% (9%) 9%
2 star 3% (3%) 3%
1 star 3% (3%) 3%
How does Amazon calculate star ratings?