Customer reviews

4.2 out of 5 stars
4.2 out of 5
16 customer ratings
5 star 61% (61%) 61%
4 star 21% (21%) 21%
3 star 8% (8%) 8%
2 star 0% (0%) 0%
1 star 10% (10%) 10%
How does Amazon calculate star ratings?