Customer reviews

4.5 out of 5 stars
4.5 out of 5
19 customer ratings
5 star 78% (78%) 78%
4 star 13% (13%) 13%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 9% (9%) 9%
How does Amazon calculate star ratings?