Customer reviews

4.3 out of 5 stars
4.3 out of 5
20 customer ratings
5 star 64% (64%) 64%
4 star 16% (16%) 16%
3 star 11% (11%) 11%
2 star 0% (0%) 0%
1 star 8% (8%) 8%
How does Amazon calculate star ratings?