Customer reviews

4.5 out of 5 stars
4.5 out of 5
631 customer ratings
5 star 79% (79%) 79%
4 star 8% (8%) 8%
3 star 3% (3%) 3%
2 star 3% (3%) 3%
1 star 6% (6%) 6%
How does Amazon calculate star ratings?