Customer reviews

4.5 out of 5 stars
4.5 out of 5
179 customer ratings
5 star 73% (73%) 73%
4 star 11% (11%) 11%
3 star 9% (9%) 9%
2 star 3% (3%) 3%
1 star 3% (3%) 3%
How does Amazon calculate star ratings?