Customer reviews

3.9 out of 5 stars
3.9 out of 5
17 customer ratings
5 star 41% (41%) 41%
4 star 32% (32%) 32%
3 star 9% (9%) 9%
2 star 10% (10%) 10%
1 star 8% (8%) 8%
How does Amazon calculate star ratings?