Customer reviews

3.1 out of 5 stars
3.1 out of 5
8 customer ratings
5 star 31% (31%) 31%
4 star 14% (14%) 14%
3 star 21% (21%) 21%
2 star 0% (0%) 0%
1 star 34% (34%) 34%
How does Amazon calculate star ratings?