Customer reviews

3.9 out of 5 stars
3.9 out of 5
19 customer ratings
5 star 56% (56%) 56%
4 star 8% (8%) 8%
3 star 13% (13%) 13%
2 star 14% (14%) 14%
1 star 8% (8%) 8%
How does Amazon calculate star ratings?