Customer reviews

3.7 out of 5 stars
3.7 out of 5
18 customer ratings
5 star 46% (46%) 46%
4 star 19% (19%) 19%
3 star 17% (17%) 17%
2 star 0% (0%) 0%
1 star 19% (19%) 19%
How does Amazon calculate star ratings?