Customer reviews

4.4 out of 5 stars
4.4 out of 5
178 customer ratings
5 star 68% (68%) 68%
4 star 19% (19%) 19%
3 star 4% (4%) 4%
2 star 3% (3%) 3%
1 star 5% (5%) 5%
How does Amazon calculate star ratings?