Customer reviews

4.1 out of 5 stars
4.1 out of 5
17 customer ratings
5 star 65% (65%) 65%
4 star 13% (13%) 13%
3 star 0% (0%) 0%
2 star 13% (13%) 13%
1 star 8% (8%) 8%
How does Amazon calculate star ratings?