Customer reviews

4.3 out of 5 stars
4.3 out of 5
22 customer ratings
5 star 53% (53%) 53%
4 star 29% (29%) 29%
3 star 11% (11%) 11%
2 star 7% (7%) 7%
1 star 0% (0%) 0%
How does Amazon calculate star ratings?