Customer reviews

4.1 out of 5 stars
4.1 out of 5
18 customer ratings
5 star 45% (45%) 45%
4 star 44% (44%) 44%
3 star 0% (0%) 0%
2 star 0% (0%) 0%
1 star 11% (11%) 11%
How does Amazon calculate star ratings?