Customer reviews

4.4 out of 5 stars
4.4 out of 5
30 customer ratings
5 star 70% (70%) 70%
4 star 11% (11%) 11%
3 star 9% (9%) 9%
2 star 10% (10%) 10%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?