Customer reviews

4.3 out of 5 stars
4.3 out of 5
256 customer ratings
5 star 58% (58%) 58%
4 star 23% (23%) 23%
3 star 11% (11%) 11%
2 star 3% (3%) 3%
1 star 5% (5%) 5%
How does Amazon calculate star ratings?