Customer reviews

4.4 out of 5 stars
4.4 out of 5
22 customer ratings
5 star 72% (72%) 72%
4 star 9% (9%) 9%
3 star 8% (8%) 8%
2 star 11% (11%) 11%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?