Customer reviews

3.8 out of 5 stars
3.8 out of 5
15 customer ratings
5 star 40% (40%) 40%
4 star 24% (24%) 24%
3 star 16% (16%) 16%
2 star 11% (11%) 11%
1 star 9% (9%) 9%
How does Amazon calculate star ratings?